Home / 71,351.28-106,992.40-26,342.14

Finding the Fourth Proportional to 71,351.28, 106,992.40 and 26,342.14

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Solution

The fourth proportional to 71,351.28, 106,992.40 and 26,342.14 is: 39,500.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,351.28 : 106,992.40 = 26,342.14 : x
  2. Step 2: Convert to fraction form
    71,351.28/106,992.40 = 26,342.14/x
  3. Step 3: Cross multiply
    71,351.28x = 106,992.40 × 26,342.14
  4. Step 4: Simplify right side
    71,351.28x = 2,818,408,779.74
  5. Step 5: Solve for x
    x = 2,818,408,779.74/71,351.28
  6. Step 6: Final answer
    x = 39,500.47

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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.