Home / 91,198.82-125,755.17-59,308.58

Finding the Fourth Proportional to 91,198.82, 125,755.17 and 59,308.58

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Solution

The fourth proportional to 91,198.82, 125,755.17 and 59,308.58 is: 81,781.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,198.82 : 125,755.17 = 59,308.58 : x
  2. Step 2: Convert to fraction form
    91,198.82/125,755.17 = 59,308.58/x
  3. Step 3: Cross multiply
    91,198.82x = 125,755.17 × 59,308.58
  4. Step 4: Simplify right side
    91,198.82x = 7,458,359,931.58
  5. Step 5: Solve for x
    x = 7,458,359,931.58/91,198.82
  6. Step 6: Final answer
    x = 81,781.33

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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.