Home / 83,545.94-125,331.33-30,250.37

Finding the Fourth Proportional to 83,545.94, 125,331.33 and 30,250.37

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Solution

The fourth proportional to 83,545.94, 125,331.33 and 30,250.37 is: 45,380.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,545.94 : 125,331.33 = 30,250.37 : x
  2. Step 2: Convert to fraction form
    83,545.94/125,331.33 = 30,250.37/x
  3. Step 3: Cross multiply
    83,545.94x = 125,331.33 × 30,250.37
  4. Step 4: Simplify right side
    83,545.94x = 3,791,319,105.09
  5. Step 5: Solve for x
    x = 3,791,319,105.09/83,545.94
  6. Step 6: Final answer
    x = 45,380.05

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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.