Home / 124,833.92-172,261.46-71,108.43

Finding the Fourth Proportional to 124,833.92, 172,261.46 and 71,108.43

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Solution

The fourth proportional to 124,833.92, 172,261.46 and 71,108.43 is: 98,124.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,833.92 : 172,261.46 = 71,108.43 : x
  2. Step 2: Convert to fraction form
    124,833.92/172,261.46 = 71,108.43/x
  3. Step 3: Cross multiply
    124,833.92x = 172,261.46 × 71,108.43
  4. Step 4: Simplify right side
    124,833.92x = 12,249,241,614.57
  5. Step 5: Solve for x
    x = 12,249,241,614.57/124,833.92
  6. Step 6: Final answer
    x = 98,124.31

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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.