Home / 89,617.84-123,668.12-49,330.60

Finding the Fourth Proportional to 89,617.84, 123,668.12 and 49,330.60

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Solution

The fourth proportional to 89,617.84, 123,668.12 and 49,330.60 is: 68,073.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,617.84 : 123,668.12 = 49,330.60 : x
  2. Step 2: Convert to fraction form
    89,617.84/123,668.12 = 49,330.60/x
  3. Step 3: Cross multiply
    89,617.84x = 123,668.12 × 49,330.60
  4. Step 4: Simplify right side
    89,617.84x = 6,100,622,560.47
  5. Step 5: Solve for x
    x = 6,100,622,560.47/89,617.84
  6. Step 6: Final answer
    x = 68,073.75

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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.