Home / 84,099.87-126,128.29-24,921.73

Finding the Fourth Proportional to 84,099.87, 126,128.29 and 24,921.73

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Solution

The fourth proportional to 84,099.87, 126,128.29 and 24,921.73 is: 37,376.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,099.87 : 126,128.29 = 24,921.73 : x
  2. Step 2: Convert to fraction form
    84,099.87/126,128.29 = 24,921.73/x
  3. Step 3: Cross multiply
    84,099.87x = 126,128.29 × 24,921.73
  4. Step 4: Simplify right side
    84,099.87x = 3,143,334,621.35
  5. Step 5: Solve for x
    x = 3,143,334,621.35/84,099.87
  6. Step 6: Final answer
    x = 37,376.21

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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.