Home / 83,542.02-115,286.58-47,242.89

Finding the Fourth Proportional to 83,542.02, 115,286.58 and 47,242.89

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Solution

The fourth proportional to 83,542.02, 115,286.58 and 47,242.89 is: 65,194.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,542.02 : 115,286.58 = 47,242.89 : x
  2. Step 2: Convert to fraction form
    83,542.02/115,286.58 = 47,242.89/x
  3. Step 3: Cross multiply
    83,542.02x = 115,286.58 × 47,242.89
  4. Step 4: Simplify right side
    83,542.02x = 5,446,471,217.42
  5. Step 5: Solve for x
    x = 5,446,471,217.42/83,542.02
  6. Step 6: Final answer
    x = 65,194.39

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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.