Home / 83,727.12-115,542.95-45,486.36

Finding the Fourth Proportional to 83,727.12, 115,542.95 and 45,486.36

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Solution

The fourth proportional to 83,727.12, 115,542.95 and 45,486.36 is: 62,770.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,727.12 : 115,542.95 = 45,486.36 : x
  2. Step 2: Convert to fraction form
    83,727.12/115,542.95 = 45,486.36/x
  3. Step 3: Cross multiply
    83,727.12x = 115,542.95 × 45,486.36
  4. Step 4: Simplify right side
    83,727.12x = 5,255,627,991.73
  5. Step 5: Solve for x
    x = 5,255,627,991.73/83,727.12
  6. Step 6: Final answer
    x = 62,770.92

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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.