Home / 81,367.57-112,286.04-45,065.56

Finding the Fourth Proportional to 81,367.57, 112,286.04 and 45,065.56

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Solution

The fourth proportional to 81,367.57, 112,286.04 and 45,065.56 is: 62,189.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,367.57 : 112,286.04 = 45,065.56 : x
  2. Step 2: Convert to fraction form
    81,367.57/112,286.04 = 45,065.56/x
  3. Step 3: Cross multiply
    81,367.57x = 112,286.04 × 45,065.56
  4. Step 4: Simplify right side
    81,367.57x = 5,060,233,272.78
  5. Step 5: Solve for x
    x = 5,060,233,272.78/81,367.57
  6. Step 6: Final answer
    x = 62,189.80

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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.