Home / 94,394.61-130,171.19-86,201.73

Finding the Fourth Proportional to 94,394.61, 130,171.19 and 86,201.73

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Solution

The fourth proportional to 94,394.61, 130,171.19 and 86,201.73 is: 118,873.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,394.61 : 130,171.19 = 86,201.73 : x
  2. Step 2: Convert to fraction form
    94,394.61/130,171.19 = 86,201.73/x
  3. Step 3: Cross multiply
    94,394.61x = 130,171.19 × 86,201.73
  4. Step 4: Simplify right side
    94,394.61x = 11,220,981,343.15
  5. Step 5: Solve for x
    x = 11,220,981,343.15/94,394.61
  6. Step 6: Final answer
    x = 118,873.12

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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.