Home / 125,463.11-173,134.40-68,101.20

Finding the Fourth Proportional to 125,463.11, 173,134.40 and 68,101.20

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Solution

The fourth proportional to 125,463.11, 173,134.40 and 68,101.20 is: 93,977.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,463.11 : 173,134.40 = 68,101.20 : x
  2. Step 2: Convert to fraction form
    125,463.11/173,134.40 = 68,101.20/x
  3. Step 3: Cross multiply
    125,463.11x = 173,134.40 × 68,101.20
  4. Step 4: Simplify right side
    125,463.11x = 11,790,660,060.77
  5. Step 5: Solve for x
    x = 11,790,660,060.77/125,463.11
  6. Step 6: Final answer
    x = 93,977.11

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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.