Home / 87,521.04-131,084.55-61,342.65

Finding the Fourth Proportional to 87,521.04, 131,084.55 and 61,342.65

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Solution

The fourth proportional to 87,521.04, 131,084.55 and 61,342.65 is: 91,875.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,521.04 : 131,084.55 = 61,342.65 : x
  2. Step 2: Convert to fraction form
    87,521.04/131,084.55 = 61,342.65/x
  3. Step 3: Cross multiply
    87,521.04x = 131,084.55 × 61,342.65
  4. Step 4: Simplify right side
    87,521.04x = 8,041,073,671.06
  5. Step 5: Solve for x
    x = 8,041,073,671.06/87,521.04
  6. Step 6: Final answer
    x = 91,875.89

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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.