Home / 89,459.36-123,454.24-49,176.62

Finding the Fourth Proportional to 89,459.36, 123,454.24 and 49,176.62

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Solution

The fourth proportional to 89,459.36, 123,454.24 and 49,176.62 is: 67,863.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,459.36 : 123,454.24 = 49,176.62 : x
  2. Step 2: Convert to fraction form
    89,459.36/123,454.24 = 49,176.62/x
  3. Step 3: Cross multiply
    89,459.36x = 123,454.24 × 49,176.62
  4. Step 4: Simplify right side
    89,459.36x = 6,071,062,247.87
  5. Step 5: Solve for x
    x = 6,071,062,247.87/89,459.36
  6. Step 6: Final answer
    x = 67,863.91

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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.