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Finding the Fourth Proportional to 76,259.87, 114,347.88 and 60,565.41

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Solution

The fourth proportional to 76,259.87, 114,347.88 and 60,565.41 is: 90,814.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,259.87 : 114,347.88 = 60,565.41 : x
  2. Step 2: Convert to fraction form
    76,259.87/114,347.88 = 60,565.41/x
  3. Step 3: Cross multiply
    76,259.87x = 114,347.88 × 60,565.41
  4. Step 4: Simplify right side
    76,259.87x = 6,925,526,234.83
  5. Step 5: Solve for x
    x = 6,925,526,234.83/76,259.87
  6. Step 6: Final answer
    x = 90,814.82

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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.