Home / 125,732.70-173,507.66-69,144.07

Finding the Fourth Proportional to 125,732.70, 173,507.66 and 69,144.07

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Solution

The fourth proportional to 125,732.70, 173,507.66 and 69,144.07 is: 95,416.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,732.70 : 173,507.66 = 69,144.07 : x
  2. Step 2: Convert to fraction form
    125,732.70/173,507.66 = 69,144.07/x
  3. Step 3: Cross multiply
    125,732.70x = 173,507.66 × 69,144.07
  4. Step 4: Simplify right side
    125,732.70x = 11,997,025,788.58
  5. Step 5: Solve for x
    x = 11,997,025,788.58/125,732.70
  6. Step 6: Final answer
    x = 95,416.91

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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.