Home / 89,309.68-123,248.75-49,027.12

Finding the Fourth Proportional to 89,309.68, 123,248.75 and 49,027.12

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Solution

The fourth proportional to 89,309.68, 123,248.75 and 49,027.12 is: 67,658.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,309.68 : 123,248.75 = 49,027.12 : x
  2. Step 2: Convert to fraction form
    89,309.68/123,248.75 = 49,027.12/x
  3. Step 3: Cross multiply
    89,309.68x = 123,248.75 × 49,027.12
  4. Step 4: Simplify right side
    89,309.68x = 6,042,531,256.10
  5. Step 5: Solve for x
    x = 6,042,531,256.10/89,309.68
  6. Step 6: Final answer
    x = 67,658.19

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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.