Home / 74,434.46-102,724.15-42,602.68

Finding the Fourth Proportional to 74,434.46, 102,724.15 and 42,602.68

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Solution

The fourth proportional to 74,434.46, 102,724.15 and 42,602.68 is: 58,794.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,434.46 : 102,724.15 = 42,602.68 : x
  2. Step 2: Convert to fraction form
    74,434.46/102,724.15 = 42,602.68/x
  3. Step 3: Cross multiply
    74,434.46x = 102,724.15 × 42,602.68
  4. Step 4: Simplify right side
    74,434.46x = 4,376,323,577.10
  5. Step 5: Solve for x
    x = 4,376,323,577.10/74,434.46
  6. Step 6: Final answer
    x = 58,794.32

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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.