Home / 123,584.64-170,550.12-69,877.73

Finding the Fourth Proportional to 123,584.64, 170,550.12 and 69,877.73

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Solution

The fourth proportional to 123,584.64, 170,550.12 and 69,877.73 is: 96,433.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,584.64 : 170,550.12 = 69,877.73 : x
  2. Step 2: Convert to fraction form
    123,584.64/170,550.12 = 69,877.73/x
  3. Step 3: Cross multiply
    123,584.64x = 170,550.12 × 69,877.73
  4. Step 4: Simplify right side
    123,584.64x = 11,917,654,431.27
  5. Step 5: Solve for x
    x = 11,917,654,431.27/123,584.64
  6. Step 6: Final answer
    x = 96,433.14

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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.