Home / 71,242.20-106,888.08-26,881.74

Finding the Fourth Proportional to 71,242.20, 106,888.08 and 26,881.74

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Solution

The fourth proportional to 71,242.20, 106,888.08 and 26,881.74 is: 40,331.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,242.20 : 106,888.08 = 26,881.74 : x
  2. Step 2: Convert to fraction form
    71,242.20/106,888.08 = 26,881.74/x
  3. Step 3: Cross multiply
    71,242.20x = 106,888.08 × 26,881.74
  4. Step 4: Simplify right side
    71,242.20x = 2,873,337,575.66
  5. Step 5: Solve for x
    x = 2,873,337,575.66/71,242.20
  6. Step 6: Final answer
    x = 40,331.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.