Home / 80,724.81-121,096.93-26,691.33

Finding the Fourth Proportional to 80,724.81, 121,096.93 and 26,691.33

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Solution

The fourth proportional to 80,724.81, 121,096.93 and 26,691.33 is: 40,040.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,724.81 : 121,096.93 = 26,691.33 : x
  2. Step 2: Convert to fraction form
    80,724.81/121,096.93 = 26,691.33/x
  3. Step 3: Cross multiply
    80,724.81x = 121,096.93 × 26,691.33
  4. Step 4: Simplify right side
    80,724.81x = 3,232,238,120.62
  5. Step 5: Solve for x
    x = 3,232,238,120.62/80,724.81
  6. Step 6: Final answer
    x = 40,040.21

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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.