Home / 89,286.78-123,217.28-49,004.29

Finding the Fourth Proportional to 89,286.78, 123,217.28 and 49,004.29

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Solution

The fourth proportional to 89,286.78, 123,217.28 and 49,004.29 is: 67,626.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,286.78 : 123,217.28 = 49,004.29 : x
  2. Step 2: Convert to fraction form
    89,286.78/123,217.28 = 49,004.29/x
  3. Step 3: Cross multiply
    89,286.78x = 123,217.28 × 49,004.29
  4. Step 4: Simplify right side
    89,286.78x = 6,038,175,322.13
  5. Step 5: Solve for x
    x = 6,038,175,322.13/89,286.78
  6. Step 6: Final answer
    x = 67,626.76

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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.