Home / 124,815.70-172,203.63-71,062.69

Finding the Fourth Proportional to 124,815.70, 172,203.63 and 71,062.69

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Solution

The fourth proportional to 124,815.70, 172,203.63 and 71,062.69 is: 98,042.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,815.70 : 172,203.63 = 71,062.69 : x
  2. Step 2: Convert to fraction form
    124,815.70/172,203.63 = 71,062.69/x
  3. Step 3: Cross multiply
    124,815.70x = 172,203.63 × 71,062.69
  4. Step 4: Simplify right side
    124,815.70x = 12,237,253,175.56
  5. Step 5: Solve for x
    x = 12,237,253,175.56/124,815.70
  6. Step 6: Final answer
    x = 98,042.58

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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.