Home / 80,683.20-121,028.54-24,531.36

Finding the Fourth Proportional to 80,683.20, 121,028.54 and 24,531.36

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Solution

The fourth proportional to 80,683.20, 121,028.54 and 24,531.36 is: 36,798.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,683.20 : 121,028.54 = 24,531.36 : x
  2. Step 2: Convert to fraction form
    80,683.20/121,028.54 = 24,531.36/x
  3. Step 3: Cross multiply
    80,683.20x = 121,028.54 × 24,531.36
  4. Step 4: Simplify right side
    80,683.20x = 2,968,994,685.01
  5. Step 5: Solve for x
    x = 2,968,994,685.01/80,683.20
  6. Step 6: Final answer
    x = 36,798.18

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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.