Home / 89,917.62-124,088.40-49,632

Finding the Fourth Proportional to 89,917.62, 124,088.40 and 49,632

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Solution

The fourth proportional to 89,917.62, 124,088.40 and 49,632 is: 68,493.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,917.62 : 124,088.40 = 49,632 : x
  2. Step 2: Convert to fraction form
    89,917.62/124,088.40 = 49,632/x
  3. Step 3: Cross multiply
    89,917.62x = 124,088.40 × 49,632
  4. Step 4: Simplify right side
    89,917.62x = 6,158,755,468.80
  5. Step 5: Solve for x
    x = 6,158,755,468.80/89,917.62
  6. Step 6: Final answer
    x = 68,493.31

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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.