Home / 86,353.28-129,342.42-41,886.58

Finding the Fourth Proportional to 86,353.28, 129,342.42 and 41,886.58

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Solution

The fourth proportional to 86,353.28, 129,342.42 and 41,886.58 is: 62,738.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,353.28 : 129,342.42 = 41,886.58 : x
  2. Step 2: Convert to fraction form
    86,353.28/129,342.42 = 41,886.58/x
  3. Step 3: Cross multiply
    86,353.28x = 129,342.42 × 41,886.58
  4. Step 4: Simplify right side
    86,353.28x = 5,417,711,622.72
  5. Step 5: Solve for x
    x = 5,417,711,622.72/86,353.28
  6. Step 6: Final answer
    x = 62,738.92

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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.