Home / 80,935.44-111,651.21-54,084.55

Finding the Fourth Proportional to 80,935.44, 111,651.21 and 54,084.55

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Solution

The fourth proportional to 80,935.44, 111,651.21 and 54,084.55 is: 74,610.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,935.44 : 111,651.21 = 54,084.55 : x
  2. Step 2: Convert to fraction form
    80,935.44/111,651.21 = 54,084.55/x
  3. Step 3: Cross multiply
    80,935.44x = 111,651.21 × 54,084.55
  4. Step 4: Simplify right side
    80,935.44x = 6,038,605,449.81
  5. Step 5: Solve for x
    x = 6,038,605,449.81/80,935.44
  6. Step 6: Final answer
    x = 74,610.15

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1.5x scale

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.