Home / 124,706.55-187,005.15-49,801.80

Finding the Fourth Proportional to 124,706.55, 187,005.15 and 49,801.80

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Solution

The fourth proportional to 124,706.55, 187,005.15 and 49,801.80 is: 74,680.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,706.55 : 187,005.15 = 49,801.80 : x
  2. Step 2: Convert to fraction form
    124,706.55/187,005.15 = 49,801.80/x
  3. Step 3: Cross multiply
    124,706.55x = 187,005.15 × 49,801.80
  4. Step 4: Simplify right side
    124,706.55x = 9,313,193,079.27
  5. Step 5: Solve for x
    x = 9,313,193,079.27/124,706.55
  6. Step 6: Final answer
    x = 74,680.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.