Home / 89,767.28-123,878.22-49,481.07

Finding the Fourth Proportional to 89,767.28, 123,878.22 and 49,481.07

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Solution

The fourth proportional to 89,767.28, 123,878.22 and 49,481.07 is: 68,283.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,767.28 : 123,878.22 = 49,481.07 : x
  2. Step 2: Convert to fraction form
    89,767.28/123,878.22 = 49,481.07/x
  3. Step 3: Cross multiply
    89,767.28x = 123,878.22 × 49,481.07
  4. Step 4: Simplify right side
    89,767.28x = 6,129,626,875.30
  5. Step 5: Solve for x
    x = 6,129,626,875.30/89,767.28
  6. Step 6: Final answer
    x = 68,283.54

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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.