Home / 124,932.91-172,406.90-67,572.30

Finding the Fourth Proportional to 124,932.91, 172,406.90 and 67,572.30

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Solution

The fourth proportional to 124,932.91, 172,406.90 and 67,572.30 is: 93,249.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,932.91 : 172,406.90 = 67,572.30 : x
  2. Step 2: Convert to fraction form
    124,932.91/172,406.90 = 67,572.30/x
  3. Step 3: Cross multiply
    124,932.91x = 172,406.90 × 67,572.30
  4. Step 4: Simplify right side
    124,932.91x = 11,649,930,768.87
  5. Step 5: Solve for x
    x = 11,649,930,768.87/124,932.91
  6. Step 6: Final answer
    x = 93,249.50

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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.