Home / 87,497.04-131,048.60-61,318.65

Finding the Fourth Proportional to 87,497.04, 131,048.60 and 61,318.65

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Solution

The fourth proportional to 87,497.04, 131,048.60 and 61,318.65 is: 91,839.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,497.04 : 131,048.60 = 61,318.65 : x
  2. Step 2: Convert to fraction form
    87,497.04/131,048.60 = 61,318.65/x
  3. Step 3: Cross multiply
    87,497.04x = 131,048.60 × 61,318.65
  4. Step 4: Simplify right side
    87,497.04x = 8,035,722,929.80
  5. Step 5: Solve for x
    x = 8,035,722,929.80/87,497.04
  6. Step 6: Final answer
    x = 91,839.94

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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.