Home / 66,777.24-92,155.20-36,560.76

Finding the Fourth Proportional to 66,777.24, 92,155.20 and 36,560.76

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Solution

The fourth proportional to 66,777.24, 92,155.20 and 36,560.76 is: 50,455.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,777.24 : 92,155.20 = 36,560.76 : x
  2. Step 2: Convert to fraction form
    66,777.24/92,155.20 = 36,560.76/x
  3. Step 3: Cross multiply
    66,777.24x = 92,155.20 × 36,560.76
  4. Step 4: Simplify right side
    66,777.24x = 3,369,264,149.95
  5. Step 5: Solve for x
    x = 3,369,264,149.95/66,777.24
  6. Step 6: Final answer
    x = 50,455.28

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Half scale
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Double scale
Find fourth proportional to 66,778.24, 92,156.58 and 36,561.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.