Home / 67,125.65-100,708.45-27,685.13

Finding the Fourth Proportional to 67,125.65, 100,708.45 and 27,685.13

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Solution

The fourth proportional to 67,125.65, 100,708.45 and 27,685.13 is: 41,535.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,125.65 : 100,708.45 = 27,685.13 : x
  2. Step 2: Convert to fraction form
    67,125.65/100,708.45 = 27,685.13/x
  3. Step 3: Cross multiply
    67,125.65x = 100,708.45 × 27,685.13
  4. Step 4: Simplify right side
    67,125.65x = 2,788,125,957.59
  5. Step 5: Solve for x
    x = 2,788,125,957.59/67,125.65
  6. Step 6: Final answer
    x = 41,535.93

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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.