Home / 87,242.76-130,861.35-36,668.58

Finding the Fourth Proportional to 87,242.76, 130,861.35 and 36,668.58

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Solution

The fourth proportional to 87,242.76, 130,861.35 and 36,668.58 is: 55,001.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,242.76 : 130,861.35 = 36,668.58 : x
  2. Step 2: Convert to fraction form
    87,242.76/130,861.35 = 36,668.58/x
  3. Step 3: Cross multiply
    87,242.76x = 130,861.35 × 36,668.58
  4. Step 4: Simplify right side
    87,242.76x = 4,798,499,881.38
  5. Step 5: Solve for x
    x = 4,798,499,881.38/87,242.76
  6. Step 6: Final answer
    x = 55,001.70

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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.