Home / 79,831.31-119,712.20-22,892.66

Finding the Fourth Proportional to 79,831.31, 119,712.20 and 22,892.66

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Solution

The fourth proportional to 79,831.31, 119,712.20 and 22,892.66 is: 34,329.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,831.31 : 119,712.20 = 22,892.66 : x
  2. Step 2: Convert to fraction form
    79,831.31/119,712.20 = 22,892.66/x
  3. Step 3: Cross multiply
    79,831.31x = 119,712.20 × 22,892.66
  4. Step 4: Simplify right side
    79,831.31x = 2,740,529,979.43
  5. Step 5: Solve for x
    x = 2,740,529,979.43/79,831.31
  6. Step 6: Final answer
    x = 34,329.01

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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.