Home / 83,109.26-114,691.20-45,383.52

Finding the Fourth Proportional to 83,109.26, 114,691.20 and 45,383.52

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Solution

The fourth proportional to 83,109.26, 114,691.20 and 45,383.52 is: 62,629.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,109.26 : 114,691.20 = 45,383.52 : x
  2. Step 2: Convert to fraction form
    83,109.26/114,691.20 = 45,383.52/x
  3. Step 3: Cross multiply
    83,109.26x = 114,691.20 × 45,383.52
  4. Step 4: Simplify right side
    83,109.26x = 5,205,090,369.02
  5. Step 5: Solve for x
    x = 5,205,090,369.02/83,109.26
  6. Step 6: Final answer
    x = 62,629.49

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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.