Home / 81,550.26-112,544.97-45,742.59

Finding the Fourth Proportional to 81,550.26, 112,544.97 and 45,742.59

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Solution

The fourth proportional to 81,550.26, 112,544.97 and 45,742.59 is: 63,127.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,550.26 : 112,544.97 = 45,742.59 : x
  2. Step 2: Convert to fraction form
    81,550.26/112,544.97 = 45,742.59/x
  3. Step 3: Cross multiply
    81,550.26x = 112,544.97 × 45,742.59
  4. Step 4: Simplify right side
    81,550.26x = 5,148,098,419.27
  5. Step 5: Solve for x
    x = 5,148,098,419.27/81,550.26
  6. Step 6: Final answer
    x = 63,127.92

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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.