Home / 89,895.92-124,057.68-49,611.56

Finding the Fourth Proportional to 89,895.92, 124,057.68 and 49,611.56

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Solution

The fourth proportional to 89,895.92, 124,057.68 and 49,611.56 is: 68,464.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,895.92 : 124,057.68 = 49,611.56 : x
  2. Step 2: Convert to fraction form
    89,895.92/124,057.68 = 49,611.56/x
  3. Step 3: Cross multiply
    89,895.92x = 124,057.68 × 49,611.56
  4. Step 4: Simplify right side
    89,895.92x = 6,154,695,034.78
  5. Step 5: Solve for x
    x = 6,154,695,034.78/89,895.92
  6. Step 6: Final answer
    x = 68,464.68

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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.