Home / 89,941.74-124,116.33-49,654.65

Finding the Fourth Proportional to 89,941.74, 124,116.33 and 49,654.65

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Solution

The fourth proportional to 89,941.74, 124,116.33 and 49,654.65 is: 68,521.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,941.74 : 124,116.33 = 49,654.65 : x
  2. Step 2: Convert to fraction form
    89,941.74/124,116.33 = 49,654.65/x
  3. Step 3: Cross multiply
    89,941.74x = 124,116.33 × 49,654.65
  4. Step 4: Simplify right side
    89,941.74x = 6,162,952,925.43
  5. Step 5: Solve for x
    x = 6,162,952,925.43/89,941.74
  6. Step 6: Final answer
    x = 68,521.61

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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.