Home / 124,922.88-172,397.84-71,215.84

Finding the Fourth Proportional to 124,922.88, 172,397.84 and 71,215.84

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Solution

The fourth proportional to 124,922.88, 172,397.84 and 71,215.84 is: 98,280.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,922.88 : 172,397.84 = 71,215.84 : x
  2. Step 2: Convert to fraction form
    124,922.88/172,397.84 = 71,215.84/x
  3. Step 3: Cross multiply
    124,922.88x = 172,397.84 × 71,215.84
  4. Step 4: Simplify right side
    124,922.88x = 12,277,456,989.79
  5. Step 5: Solve for x
    x = 12,277,456,989.79/124,922.88
  6. Step 6: Final answer
    x = 98,280.29

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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.