Home / 124,902.12-172,360.66-71,204.44

Finding the Fourth Proportional to 124,902.12, 172,360.66 and 71,204.44

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Solution

The fourth proportional to 124,902.12, 172,360.66 and 71,204.44 is: 98,259.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,902.12 : 172,360.66 = 71,204.44 : x
  2. Step 2: Convert to fraction form
    124,902.12/172,360.66 = 71,204.44/x
  3. Step 3: Cross multiply
    124,902.12x = 172,360.66 × 71,204.44
  4. Step 4: Simplify right side
    124,902.12x = 12,272,844,273.33
  5. Step 5: Solve for x
    x = 12,272,844,273.33/124,902.12
  6. Step 6: Final answer
    x = 98,259.70

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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.