Home / 83,281.20-114,927.12-45,555

Finding the Fourth Proportional to 83,281.20, 114,927.12 and 45,555

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Solution

The fourth proportional to 83,281.20, 114,927.12 and 45,555 is: 62,865.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,281.20 : 114,927.12 = 45,555 : x
  2. Step 2: Convert to fraction form
    83,281.20/114,927.12 = 45,555/x
  3. Step 3: Cross multiply
    83,281.20x = 114,927.12 × 45,555
  4. Step 4: Simplify right side
    83,281.20x = 5,235,504,951.60
  5. Step 5: Solve for x
    x = 5,235,504,951.60/83,281.20
  6. Step 6: Final answer
    x = 62,865.39

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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.