Home / 76,565.13-114,870.98-39,151.47

Finding the Fourth Proportional to 76,565.13, 114,870.98 and 39,151.47

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Solution

The fourth proportional to 76,565.13, 114,870.98 and 39,151.47 is: 58,739.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,565.13 : 114,870.98 = 39,151.47 : x
  2. Step 2: Convert to fraction form
    76,565.13/114,870.98 = 39,151.47/x
  3. Step 3: Cross multiply
    76,565.13x = 114,870.98 × 39,151.47
  4. Step 4: Simplify right side
    76,565.13x = 4,497,367,727.34
  5. Step 5: Solve for x
    x = 4,497,367,727.34/76,565.13
  6. Step 6: Final answer
    x = 58,739.11

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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.