Home / 86,972.40-130,427.78-41,374.73

Finding the Fourth Proportional to 86,972.40, 130,427.78 and 41,374.73

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Solution

The fourth proportional to 86,972.40, 130,427.78 and 41,374.73 is: 62,047.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,972.40 : 130,427.78 = 41,374.73 : x
  2. Step 2: Convert to fraction form
    86,972.40/130,427.78 = 41,374.73/x
  3. Step 3: Cross multiply
    86,972.40x = 130,427.78 × 41,374.73
  4. Step 4: Simplify right side
    86,972.40x = 5,396,414,182.00
  5. Step 5: Solve for x
    x = 5,396,414,182.00/86,972.40
  6. Step 6: Final answer
    x = 62,047.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.