Home / 125,040.11-172,555.36-68,451.48

Finding the Fourth Proportional to 125,040.11, 172,555.36 and 68,451.48

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Solution

The fourth proportional to 125,040.11, 172,555.36 and 68,451.48 is: 94,463.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,040.11 : 172,555.36 = 68,451.48 : x
  2. Step 2: Convert to fraction form
    125,040.11/172,555.36 = 68,451.48/x
  3. Step 3: Cross multiply
    125,040.11x = 172,555.36 × 68,451.48
  4. Step 4: Simplify right side
    125,040.11x = 11,811,669,773.93
  5. Step 5: Solve for x
    x = 11,811,669,773.93/125,040.11
  6. Step 6: Final answer
    x = 94,463.05

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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.