Home / 83,416.74-125,099.22-30,101.79

Finding the Fourth Proportional to 83,416.74, 125,099.22 and 30,101.79

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Solution

The fourth proportional to 83,416.74, 125,099.22 and 30,101.79 is: 45,143.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,416.74 : 125,099.22 = 30,101.79 : x
  2. Step 2: Convert to fraction form
    83,416.74/125,099.22 = 30,101.79/x
  3. Step 3: Cross multiply
    83,416.74x = 125,099.22 × 30,101.79
  4. Step 4: Simplify right side
    83,416.74x = 3,765,710,449.60
  5. Step 5: Solve for x
    x = 3,765,710,449.60/83,416.74
  6. Step 6: Final answer
    x = 45,143.34

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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.