Home / 89,549.28-123,574.68-49,260.42

Finding the Fourth Proportional to 89,549.28, 123,574.68 and 49,260.42

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Solution

The fourth proportional to 89,549.28, 123,574.68 and 49,260.42 is: 67,977.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,549.28 : 123,574.68 = 49,260.42 : x
  2. Step 2: Convert to fraction form
    89,549.28/123,574.68 = 49,260.42/x
  3. Step 3: Cross multiply
    89,549.28x = 123,574.68 × 49,260.42
  4. Step 4: Simplify right side
    89,549.28x = 6,087,340,638.17
  5. Step 5: Solve for x
    x = 6,087,340,638.17/89,549.28
  6. Step 6: Final answer
    x = 67,977.55

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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.