Home / 89,941.80-124,116.44-49,654.71

Finding the Fourth Proportional to 89,941.80, 124,116.44 and 49,654.71

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Solution

The fourth proportional to 89,941.80, 124,116.44 and 49,654.71 is: 68,521.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,941.80 : 124,116.44 = 49,654.71 : x
  2. Step 2: Convert to fraction form
    89,941.80/124,116.44 = 49,654.71/x
  3. Step 3: Cross multiply
    89,941.80x = 124,116.44 × 49,654.71
  4. Step 4: Simplify right side
    89,941.80x = 6,162,965,586.16
  5. Step 5: Solve for x
    x = 6,162,965,586.16/89,941.80
  6. Step 6: Final answer
    x = 68,521.71

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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.