Home / 83,660.67-115,354.19-62,403.03

Finding the Fourth Proportional to 83,660.67, 115,354.19 and 62,403.03

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Solution

The fourth proportional to 83,660.67, 115,354.19 and 62,403.03 is: 86,043.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,660.67 : 115,354.19 = 62,403.03 : x
  2. Step 2: Convert to fraction form
    83,660.67/115,354.19 = 62,403.03/x
  3. Step 3: Cross multiply
    83,660.67x = 115,354.19 × 62,403.03
  4. Step 4: Simplify right side
    83,660.67x = 7,198,451,196.37
  5. Step 5: Solve for x
    x = 7,198,451,196.37/83,660.67
  6. Step 6: Final answer
    x = 86,043.43

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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.