Home / 124,930.91-172,404.14-67,570.30

Finding the Fourth Proportional to 124,930.91, 172,404.14 and 67,570.30

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Solution

The fourth proportional to 124,930.91, 172,404.14 and 67,570.30 is: 93,246.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,930.91 : 172,404.14 = 67,570.30 : x
  2. Step 2: Convert to fraction form
    124,930.91/172,404.14 = 67,570.30/x
  3. Step 3: Cross multiply
    124,930.91x = 172,404.14 × 67,570.30
  4. Step 4: Simplify right side
    124,930.91x = 11,649,398,599.02
  5. Step 5: Solve for x
    x = 11,649,398,599.02/124,930.91
  6. Step 6: Final answer
    x = 93,246.73

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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.