Home / 89,779.28-123,896.28-49,494.56

Finding the Fourth Proportional to 89,779.28, 123,896.28 and 49,494.56

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Solution

The fourth proportional to 89,779.28, 123,896.28 and 49,494.56 is: 68,302.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,779.28 : 123,896.28 = 49,494.56 : x
  2. Step 2: Convert to fraction form
    89,779.28/123,896.28 = 49,494.56/x
  3. Step 3: Cross multiply
    89,779.28x = 123,896.28 × 49,494.56
  4. Step 4: Simplify right side
    89,779.28x = 6,132,191,864.24
  5. Step 5: Solve for x
    x = 6,132,191,864.24/89,779.28
  6. Step 6: Final answer
    x = 68,302.97

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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.