Home / 89,130.39-123,000.91-48,843.29

Finding the Fourth Proportional to 89,130.39, 123,000.91 and 48,843.29

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Solution

The fourth proportional to 89,130.39, 123,000.91 and 48,843.29 is: 67,404.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,130.39 : 123,000.91 = 48,843.29 : x
  2. Step 2: Convert to fraction form
    89,130.39/123,000.91 = 48,843.29/x
  3. Step 3: Cross multiply
    89,130.39x = 123,000.91 × 48,843.29
  4. Step 4: Simplify right side
    89,130.39x = 6,007,769,117.39
  5. Step 5: Solve for x
    x = 6,007,769,117.39/89,130.39
  6. Step 6: Final answer
    x = 67,404.27

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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.