Home / 66,781.24-92,160.72-36,564.76

Finding the Fourth Proportional to 66,781.24, 92,160.72 and 36,564.76

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Solution

The fourth proportional to 66,781.24, 92,160.72 and 36,564.76 is: 50,460.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,781.24 : 92,160.72 = 36,564.76 : x
  2. Step 2: Convert to fraction form
    66,781.24/92,160.72 = 36,564.76/x
  3. Step 3: Cross multiply
    66,781.24x = 92,160.72 × 36,564.76
  4. Step 4: Simplify right side
    66,781.24x = 3,369,834,608.23
  5. Step 5: Solve for x
    x = 3,369,834,608.23/66,781.24
  6. Step 6: Final answer
    x = 50,460.80

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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.