Home / 72,176.92-99,624.27-49,519.60

Finding the Fourth Proportional to 72,176.92, 99,624.27 and 49,519.60

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Solution

The fourth proportional to 72,176.92, 99,624.27 and 49,519.60 is: 68,350.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,176.92 : 99,624.27 = 49,519.60 : x
  2. Step 2: Convert to fraction form
    72,176.92/99,624.27 = 49,519.60/x
  3. Step 3: Cross multiply
    72,176.92x = 99,624.27 × 49,519.60
  4. Step 4: Simplify right side
    72,176.92x = 4,933,354,000.69
  5. Step 5: Solve for x
    x = 4,933,354,000.69/72,176.92
  6. Step 6: Final answer
    x = 68,350.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.