Home / 89,388.33-123,356.69-49,102.91

Finding the Fourth Proportional to 89,388.33, 123,356.69 and 49,102.91

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Solution

The fourth proportional to 89,388.33, 123,356.69 and 49,102.91 is: 67,762.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,388.33 : 123,356.69 = 49,102.91 : x
  2. Step 2: Convert to fraction form
    89,388.33/123,356.69 = 49,102.91/x
  3. Step 3: Cross multiply
    89,388.33x = 123,356.69 × 49,102.91
  4. Step 4: Simplify right side
    89,388.33x = 6,057,172,446.97
  5. Step 5: Solve for x
    x = 6,057,172,446.97/89,388.33
  6. Step 6: Final answer
    x = 67,762.45

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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.