Home / 125,608.10-173,335.56-71,891.30

Finding the Fourth Proportional to 125,608.10, 173,335.56 and 71,891.30

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Solution

The fourth proportional to 125,608.10, 173,335.56 and 71,891.30 is: 99,207.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,608.10 : 173,335.56 = 71,891.30 : x
  2. Step 2: Convert to fraction form
    125,608.10/173,335.56 = 71,891.30/x
  3. Step 3: Cross multiply
    125,608.10x = 173,335.56 × 71,891.30
  4. Step 4: Simplify right side
    125,608.10x = 12,461,318,744.63
  5. Step 5: Solve for x
    x = 12,461,318,744.63/125,608.10
  6. Step 6: Final answer
    x = 99,207.92

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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.