Home / 89,723.04-123,816.24-52,000.80

Finding the Fourth Proportional to 89,723.04, 123,816.24 and 52,000.80

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Solution

The fourth proportional to 89,723.04, 123,816.24 and 52,000.80 is: 71,760.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,723.04 : 123,816.24 = 52,000.80 : x
  2. Step 2: Convert to fraction form
    89,723.04/123,816.24 = 52,000.80/x
  3. Step 3: Cross multiply
    89,723.04x = 123,816.24 × 52,000.80
  4. Step 4: Simplify right side
    89,723.04x = 6,438,543,532.99
  5. Step 5: Solve for x
    x = 6,438,543,532.99/89,723.04
  6. Step 6: Final answer
    x = 71,760.20

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Similar ratio
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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.