Home / 82,482.20-123,723.30-52,957.70

Finding the Fourth Proportional to 82,482.20, 123,723.30 and 52,957.70

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Solution

The fourth proportional to 82,482.20, 123,723.30 and 52,957.70 is: 79,436.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,482.20 : 123,723.30 = 52,957.70 : x
  2. Step 2: Convert to fraction form
    82,482.20/123,723.30 = 52,957.70/x
  3. Step 3: Cross multiply
    82,482.20x = 123,723.30 × 52,957.70
  4. Step 4: Simplify right side
    82,482.20x = 6,552,101,404.41
  5. Step 5: Solve for x
    x = 6,552,101,404.41/82,482.20
  6. Step 6: Final answer
    x = 79,436.55

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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.