Home / 124,972.88-172,462.57-68,384.25

Finding the Fourth Proportional to 124,972.88, 172,462.57 and 68,384.25

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Solution

The fourth proportional to 124,972.88, 172,462.57 and 68,384.25 is: 94,370.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,972.88 : 172,462.57 = 68,384.25 : x
  2. Step 2: Convert to fraction form
    124,972.88/172,462.57 = 68,384.25/x
  3. Step 3: Cross multiply
    124,972.88x = 172,462.57 × 68,384.25
  4. Step 4: Simplify right side
    124,972.88x = 11,793,723,331.56
  5. Step 5: Solve for x
    x = 11,793,723,331.56/124,972.88
  6. Step 6: Final answer
    x = 94,370.27

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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.