Home / 77,278.85-115,962.11-32,900.97

Finding the Fourth Proportional to 77,278.85, 115,962.11 and 32,900.97

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Solution

The fourth proportional to 77,278.85, 115,962.11 and 32,900.97 is: 49,370.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,278.85 : 115,962.11 = 32,900.97 : x
  2. Step 2: Convert to fraction form
    77,278.85/115,962.11 = 32,900.97/x
  3. Step 3: Cross multiply
    77,278.85x = 115,962.11 × 32,900.97
  4. Step 4: Simplify right side
    77,278.85x = 3,815,265,902.25
  5. Step 5: Solve for x
    x = 3,815,265,902.25/77,278.85
  6. Step 6: Final answer
    x = 49,370.12

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1.5x scale

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.