Home / 80,719.54-121,079.31-24,554.64

Finding the Fourth Proportional to 80,719.54, 121,079.31 and 24,554.64

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Solution

The fourth proportional to 80,719.54, 121,079.31 and 24,554.64 is: 36,831.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,719.54 : 121,079.31 = 24,554.64 : x
  2. Step 2: Convert to fraction form
    80,719.54/121,079.31 = 24,554.64/x
  3. Step 3: Cross multiply
    80,719.54x = 121,079.31 × 24,554.64
  4. Step 4: Simplify right side
    80,719.54x = 2,973,059,230.47
  5. Step 5: Solve for x
    x = 2,973,059,230.47/80,719.54
  6. Step 6: Final answer
    x = 36,831.97

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1.5x scale

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.