Home / 90,001.70-134,926.00-54,965.96

Finding the Fourth Proportional to 90,001.70, 134,926.00 and 54,965.96

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Solution

The fourth proportional to 90,001.70, 134,926.00 and 54,965.96 is: 82,402.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,001.70 : 134,926.00 = 54,965.96 : x
  2. Step 2: Convert to fraction form
    90,001.70/134,926.00 = 54,965.96/x
  3. Step 3: Cross multiply
    90,001.70x = 134,926.00 × 54,965.96
  4. Step 4: Simplify right side
    90,001.70x = 7,416,336,306.92
  5. Step 5: Solve for x
    x = 7,416,336,306.92/90,001.70
  6. Step 6: Final answer
    x = 82,402.18

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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.