Home / 87,776.76-131,665.14-48,313.56

Finding the Fourth Proportional to 87,776.76, 131,665.14 and 48,313.56

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Solution

The fourth proportional to 87,776.76, 131,665.14 and 48,313.56 is: 72,470.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,776.76 : 131,665.14 = 48,313.56 : x
  2. Step 2: Convert to fraction form
    87,776.76/131,665.14 = 48,313.56/x
  3. Step 3: Cross multiply
    87,776.76x = 131,665.14 × 48,313.56
  4. Step 4: Simplify right side
    87,776.76x = 6,361,211,641.30
  5. Step 5: Solve for x
    x = 6,361,211,641.30/87,776.76
  6. Step 6: Final answer
    x = 72,470.34

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1.5x scale

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.