Home / 125,767.53-173,554.17-68,406.90

Finding the Fourth Proportional to 125,767.53, 173,554.17 and 68,406.90

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Solution

The fourth proportional to 125,767.53, 173,554.17 and 68,406.90 is: 94,398.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,767.53 : 173,554.17 = 68,406.90 : x
  2. Step 2: Convert to fraction form
    125,767.53/173,554.17 = 68,406.90/x
  3. Step 3: Cross multiply
    125,767.53x = 173,554.17 × 68,406.90
  4. Step 4: Simplify right side
    125,767.53x = 11,872,302,751.77
  5. Step 5: Solve for x
    x = 11,872,302,751.77/125,767.53
  6. Step 6: Final answer
    x = 94,398.79

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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.