Home / 83,834.05-125,724.40-27,663.69

Finding the Fourth Proportional to 83,834.05, 125,724.40 and 27,663.69

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Solution

The fourth proportional to 83,834.05, 125,724.40 and 27,663.69 is: 41,486.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,834.05 : 125,724.40 = 27,663.69 : x
  2. Step 2: Convert to fraction form
    83,834.05/125,724.40 = 27,663.69/x
  3. Step 3: Cross multiply
    83,834.05x = 125,724.40 × 27,663.69
  4. Step 4: Simplify right side
    83,834.05x = 3,478,000,827.04
  5. Step 5: Solve for x
    x = 3,478,000,827.04/83,834.05
  6. Step 6: Final answer
    x = 41,486.73

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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.