Home / 89,576.47-123,616.09-49,289.10

Finding the Fourth Proportional to 89,576.47, 123,616.09 and 49,289.10

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Solution

The fourth proportional to 89,576.47, 123,616.09 and 49,289.10 is: 68,019.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,576.47 : 123,616.09 = 49,289.10 : x
  2. Step 2: Convert to fraction form
    89,576.47/123,616.09 = 49,289.10/x
  3. Step 3: Cross multiply
    89,576.47x = 123,616.09 × 49,289.10
  4. Step 4: Simplify right side
    89,576.47x = 6,092,925,821.62
  5. Step 5: Solve for x
    x = 6,092,925,821.62/89,576.47
  6. Step 6: Final answer
    x = 68,019.27

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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.