Home / 76,747.52-105,909.97-42,755.96

Finding the Fourth Proportional to 76,747.52, 105,909.97 and 42,755.96

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Solution

The fourth proportional to 76,747.52, 105,909.97 and 42,755.96 is: 59,002.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,747.52 : 105,909.97 = 42,755.96 : x
  2. Step 2: Convert to fraction form
    76,747.52/105,909.97 = 42,755.96/x
  3. Step 3: Cross multiply
    76,747.52x = 105,909.97 × 42,755.96
  4. Step 4: Simplify right side
    76,747.52x = 4,528,282,440.92
  5. Step 5: Solve for x
    x = 4,528,282,440.92/76,747.52
  6. Step 6: Final answer
    x = 59,002.33

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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.