Home / 66,818.02-92,208.78-36,605.20

Finding the Fourth Proportional to 66,818.02, 92,208.78 and 36,605.20

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Solution

The fourth proportional to 66,818.02, 92,208.78 and 36,605.20 is: 50,515.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,818.02 : 92,208.78 = 36,605.20 : x
  2. Step 2: Convert to fraction form
    66,818.02/92,208.78 = 36,605.20/x
  3. Step 3: Cross multiply
    66,818.02x = 92,208.78 × 36,605.20
  4. Step 4: Simplify right side
    66,818.02x = 3,375,320,833.66
  5. Step 5: Solve for x
    x = 3,375,320,833.66/66,818.02
  6. Step 6: Final answer
    x = 50,515.13

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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.