Home / 89,763.92-123,875.06-49,479.24

Finding the Fourth Proportional to 89,763.92, 123,875.06 and 49,479.24

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Solution

The fourth proportional to 89,763.92, 123,875.06 and 49,479.24 is: 68,281.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,763.92 : 123,875.06 = 49,479.24 : x
  2. Step 2: Convert to fraction form
    89,763.92/123,875.06 = 49,479.24/x
  3. Step 3: Cross multiply
    89,763.92x = 123,875.06 × 49,479.24
  4. Step 4: Simplify right side
    89,763.92x = 6,129,243,576.36
  5. Step 5: Solve for x
    x = 6,129,243,576.36/89,763.92
  6. Step 6: Final answer
    x = 68,281.82

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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.