Home / 125,117.24-172,661.88-67,757.01

Finding the Fourth Proportional to 125,117.24, 172,661.88 and 67,757.01

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Solution

The fourth proportional to 125,117.24, 172,661.88 and 67,757.01 is: 93,504.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,117.24 : 172,661.88 = 67,757.01 : x
  2. Step 2: Convert to fraction form
    125,117.24/172,661.88 = 67,757.01/x
  3. Step 3: Cross multiply
    125,117.24x = 172,661.88 × 67,757.01
  4. Step 4: Simplify right side
    125,117.24x = 11,699,052,729.78
  5. Step 5: Solve for x
    x = 11,699,052,729.78/125,117.24
  6. Step 6: Final answer
    x = 93,504.73

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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.