Home / 83,671.26-115,468.38-45,945.51

Finding the Fourth Proportional to 83,671.26, 115,468.38 and 45,945.51

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Solution

The fourth proportional to 83,671.26, 115,468.38 and 45,945.51 is: 63,405.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,671.26 : 115,468.38 = 45,945.51 : x
  2. Step 2: Convert to fraction form
    83,671.26/115,468.38 = 45,945.51/x
  3. Step 3: Cross multiply
    83,671.26x = 115,468.38 × 45,945.51
  4. Step 4: Simplify right side
    83,671.26x = 5,305,253,607.97
  5. Step 5: Solve for x
    x = 5,305,253,607.97/83,671.26
  6. Step 6: Final answer
    x = 63,405.92

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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.