Home / 124,754.26-172,158.86-68,164.42

Finding the Fourth Proportional to 124,754.26, 172,158.86 and 68,164.42

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Solution

The fourth proportional to 124,754.26, 172,158.86 and 68,164.42 is: 94,065.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,754.26 : 172,158.86 = 68,164.42 : x
  2. Step 2: Convert to fraction form
    124,754.26/172,158.86 = 68,164.42/x
  3. Step 3: Cross multiply
    124,754.26x = 172,158.86 × 68,164.42
  4. Step 4: Simplify right side
    124,754.26x = 11,735,108,839.76
  5. Step 5: Solve for x
    x = 11,735,108,839.76/124,754.26
  6. Step 6: Final answer
    x = 94,065.80

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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.