Home / 125,643.97-173,383.92-71,933.98

Finding the Fourth Proportional to 125,643.97, 173,383.92 and 71,933.98

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Solution

The fourth proportional to 125,643.97, 173,383.92 and 71,933.98 is: 99,266.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,643.97 : 173,383.92 = 71,933.98 : x
  2. Step 2: Convert to fraction form
    125,643.97/173,383.92 = 71,933.98/x
  3. Step 3: Cross multiply
    125,643.97x = 173,383.92 × 71,933.98
  4. Step 4: Simplify right side
    125,643.97x = 12,472,195,433.60
  5. Step 5: Solve for x
    x = 12,472,195,433.60/125,643.97
  6. Step 6: Final answer
    x = 99,266.17

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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.