Home / 87,495.04-131,045.60-61,316.65

Finding the Fourth Proportional to 87,495.04, 131,045.60 and 61,316.65

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Solution

The fourth proportional to 87,495.04, 131,045.60 and 61,316.65 is: 91,836.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,495.04 : 131,045.60 = 61,316.65 : x
  2. Step 2: Convert to fraction form
    87,495.04/131,045.60 = 61,316.65/x
  3. Step 3: Cross multiply
    87,495.04x = 131,045.60 × 61,316.65
  4. Step 4: Simplify right side
    87,495.04x = 8,035,276,882.66
  5. Step 5: Solve for x
    x = 8,035,276,882.66/87,495.04
  6. Step 6: Final answer
    x = 91,836.94

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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.