Home / 125,716.33-173,488.53-69,127.70

Finding the Fourth Proportional to 125,716.33, 173,488.53 and 69,127.70

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Solution

The fourth proportional to 125,716.33, 173,488.53 and 69,127.70 is: 95,396.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,716.33 : 173,488.53 = 69,127.70 : x
  2. Step 2: Convert to fraction form
    125,716.33/173,488.53 = 69,127.70/x
  3. Step 3: Cross multiply
    125,716.33x = 173,488.53 × 69,127.70
  4. Step 4: Simplify right side
    125,716.33x = 11,992,863,327.61
  5. Step 5: Solve for x
    x = 11,992,863,327.61/125,716.33
  6. Step 6: Final answer
    x = 95,396.23

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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.