Home / 125,844.75-173,626.65-71,387.96

Finding the Fourth Proportional to 125,844.75, 173,626.65 and 71,387.96

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Solution

The fourth proportional to 125,844.75, 173,626.65 and 71,387.96 is: 98,493.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,844.75 : 173,626.65 = 71,387.96 : x
  2. Step 2: Convert to fraction form
    125,844.75/173,626.65 = 71,387.96/x
  3. Step 3: Cross multiply
    125,844.75x = 173,626.65 × 71,387.96
  4. Step 4: Simplify right side
    125,844.75x = 12,394,851,477.00
  5. Step 5: Solve for x
    x = 12,394,851,477.00/125,844.75
  6. Step 6: Final answer
    x = 98,493.19

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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.