Home / 72,435.39-108,694.19-39,154.65

Finding the Fourth Proportional to 72,435.39, 108,694.19 and 39,154.65

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Solution

The fourth proportional to 72,435.39, 108,694.19 and 39,154.65 is: 58,754.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,435.39 : 108,694.19 = 39,154.65 : x
  2. Step 2: Convert to fraction form
    72,435.39/108,694.19 = 39,154.65/x
  3. Step 3: Cross multiply
    72,435.39x = 108,694.19 × 39,154.65
  4. Step 4: Simplify right side
    72,435.39x = 4,255,882,966.48
  5. Step 5: Solve for x
    x = 4,255,882,966.48/72,435.39
  6. Step 6: Final answer
    x = 58,754.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.