Home / 125,040.74-172,556.22-68,452.11

Finding the Fourth Proportional to 125,040.74, 172,556.22 and 68,452.11

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Solution

The fourth proportional to 125,040.74, 172,556.22 and 68,452.11 is: 94,463.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,040.74 : 172,556.22 = 68,452.11 : x
  2. Step 2: Convert to fraction form
    125,040.74/172,556.22 = 68,452.11/x
  3. Step 3: Cross multiply
    125,040.74x = 172,556.22 × 68,452.11
  4. Step 4: Simplify right side
    125,040.74x = 11,811,837,352.62
  5. Step 5: Solve for x
    x = 11,811,837,352.62/125,040.74
  6. Step 6: Final answer
    x = 94,463.91

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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.