Home / 81,103.36-121,672.96-24,948.48

Finding the Fourth Proportional to 81,103.36, 121,672.96 and 24,948.48

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Solution

The fourth proportional to 81,103.36, 121,672.96 and 24,948.48 is: 37,428.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,103.36 : 121,672.96 = 24,948.48 : x
  2. Step 2: Convert to fraction form
    81,103.36/121,672.96 = 24,948.48/x
  3. Step 3: Cross multiply
    81,103.36x = 121,672.96 × 24,948.48
  4. Step 4: Simplify right side
    81,103.36x = 3,035,555,409.10
  5. Step 5: Solve for x
    x = 3,035,555,409.10/81,103.36
  6. Step 6: Final answer
    x = 37,428.23

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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.