Home / 89,388.54-123,356.88-49,102.74

Finding the Fourth Proportional to 89,388.54, 123,356.88 and 49,102.74

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Solution

The fourth proportional to 89,388.54, 123,356.88 and 49,102.74 is: 67,762.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,388.54 : 123,356.88 = 49,102.74 : x
  2. Step 2: Convert to fraction form
    89,388.54/123,356.88 = 49,102.74/x
  3. Step 3: Cross multiply
    89,388.54x = 123,356.88 × 49,102.74
  4. Step 4: Simplify right side
    89,388.54x = 6,057,160,805.85
  5. Step 5: Solve for x
    x = 6,057,160,805.85/89,388.54
  6. Step 6: Final answer
    x = 67,762.16

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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.