Home / 89,541.36-123,569.16-49,257.36

Finding the Fourth Proportional to 89,541.36, 123,569.16 and 49,257.36

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Solution

The fourth proportional to 89,541.36, 123,569.16 and 49,257.36 is: 67,976.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,541.36 : 123,569.16 = 49,257.36 : x
  2. Step 2: Convert to fraction form
    89,541.36/123,569.16 = 49,257.36/x
  3. Step 3: Cross multiply
    89,541.36x = 123,569.16 × 49,257.36
  4. Step 4: Simplify right side
    89,541.36x = 6,086,690,599.02
  5. Step 5: Solve for x
    x = 6,086,690,599.02/89,541.36
  6. Step 6: Final answer
    x = 67,976.30

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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.