Home / 72,444.20-108,666.30-50,325.80

Finding the Fourth Proportional to 72,444.20, 108,666.30 and 50,325.80

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Solution

The fourth proportional to 72,444.20, 108,666.30 and 50,325.80 is: 75,488.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,444.20 : 108,666.30 = 50,325.80 : x
  2. Step 2: Convert to fraction form
    72,444.20/108,666.30 = 50,325.80/x
  3. Step 3: Cross multiply
    72,444.20x = 108,666.30 × 50,325.80
  4. Step 4: Simplify right side
    72,444.20x = 5,468,718,480.54
  5. Step 5: Solve for x
    x = 5,468,718,480.54/72,444.20
  6. Step 6: Final answer
    x = 75,488.70

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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.