Home / 79,390.32-119,088-39,925.86

Finding the Fourth Proportional to 79,390.32, 119,088 and 39,925.86

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Solution

The fourth proportional to 79,390.32, 119,088 and 39,925.86 is: 59,890.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,390.32 : 119,088 = 39,925.86 : x
  2. Step 2: Convert to fraction form
    79,390.32/119,088 = 39,925.86/x
  3. Step 3: Cross multiply
    79,390.32x = 119,088 × 39,925.86
  4. Step 4: Simplify right side
    79,390.32x = 4,754,690,815.68
  5. Step 5: Solve for x
    x = 4,754,690,815.68/79,390.32
  6. Step 6: Final answer
    x = 59,890.06

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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.