Home / 74,839.20-103,284.24-43,013.28

Finding the Fourth Proportional to 74,839.20, 103,284.24 and 43,013.28

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Solution

The fourth proportional to 74,839.20, 103,284.24 and 43,013.28 is: 59,361.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,839.20 : 103,284.24 = 43,013.28 : x
  2. Step 2: Convert to fraction form
    74,839.20/103,284.24 = 43,013.28/x
  3. Step 3: Cross multiply
    74,839.20x = 103,284.24 × 43,013.28
  4. Step 4: Simplify right side
    74,839.20x = 4,442,593,934.71
  5. Step 5: Solve for x
    x = 4,442,593,934.71/74,839.20
  6. Step 6: Final answer
    x = 59,361.86

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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.