Home / 74,757.29-103,163.76-40,766.04

Finding the Fourth Proportional to 74,757.29, 103,163.76 and 40,766.04

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Solution

The fourth proportional to 74,757.29, 103,163.76 and 40,766.04 is: 56,256.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,757.29 : 103,163.76 = 40,766.04 : x
  2. Step 2: Convert to fraction form
    74,757.29/103,163.76 = 40,766.04/x
  3. Step 3: Cross multiply
    74,757.29x = 103,163.76 × 40,766.04
  4. Step 4: Simplify right side
    74,757.29x = 4,205,577,966.71
  5. Step 5: Solve for x
    x = 4,205,577,966.71/74,757.29
  6. Step 6: Final answer
    x = 56,256.43

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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.