Home / 125,636.28-173,381.70-69,051.30

Finding the Fourth Proportional to 125,636.28, 173,381.70 and 69,051.30

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Solution

The fourth proportional to 125,636.28, 173,381.70 and 69,051.30 is: 95,292.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,636.28 : 173,381.70 = 69,051.30 : x
  2. Step 2: Convert to fraction form
    125,636.28/173,381.70 = 69,051.30/x
  3. Step 3: Cross multiply
    125,636.28x = 173,381.70 × 69,051.30
  4. Step 4: Simplify right side
    125,636.28x = 11,972,231,781.21
  5. Step 5: Solve for x
    x = 11,972,231,781.21/125,636.28
  6. Step 6: Final answer
    x = 95,292.79

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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.