Home / 89,001.65-122,821.97-48,165.70

Finding the Fourth Proportional to 89,001.65, 122,821.97 and 48,165.70

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Solution

The fourth proportional to 89,001.65, 122,821.97 and 48,165.70 is: 66,468.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,001.65 : 122,821.97 = 48,165.70 : x
  2. Step 2: Convert to fraction form
    89,001.65/122,821.97 = 48,165.70/x
  3. Step 3: Cross multiply
    89,001.65x = 122,821.97 × 48,165.70
  4. Step 4: Simplify right side
    89,001.65x = 5,915,806,160.43
  5. Step 5: Solve for x
    x = 5,915,806,160.43/89,001.65
  6. Step 6: Final answer
    x = 66,468.50

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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.