Home / 89,464.30-123,459.34-49,177.20

Finding the Fourth Proportional to 89,464.30, 123,459.34 and 49,177.20

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Solution

The fourth proportional to 89,464.30, 123,459.34 and 49,177.20 is: 67,863.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,464.30 : 123,459.34 = 49,177.20 : x
  2. Step 2: Convert to fraction form
    89,464.30/123,459.34 = 49,177.20/x
  3. Step 3: Cross multiply
    89,464.30x = 123,459.34 × 49,177.20
  4. Step 4: Simplify right side
    89,464.30x = 6,071,384,655.05
  5. Step 5: Solve for x
    x = 6,071,384,655.05/89,464.30
  6. Step 6: Final answer
    x = 67,863.77

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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.