Home / 83,217.79-124,814.38-30,614.97

Finding the Fourth Proportional to 83,217.79, 124,814.38 and 30,614.97

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Solution

The fourth proportional to 83,217.79, 124,814.38 and 30,614.97 is: 45,917.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,217.79 : 124,814.38 = 30,614.97 : x
  2. Step 2: Convert to fraction form
    83,217.79/124,814.38 = 30,614.97/x
  3. Step 3: Cross multiply
    83,217.79x = 124,814.38 × 30,614.97
  4. Step 4: Simplify right side
    83,217.79x = 3,821,188,346.19
  5. Step 5: Solve for x
    x = 3,821,188,346.19/83,217.79
  6. Step 6: Final answer
    x = 45,917.93

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1.5x scale

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.