Home / 80,722.45-121,094.25-26,669.17

Finding the Fourth Proportional to 80,722.45, 121,094.25 and 26,669.17

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Solution

The fourth proportional to 80,722.45, 121,094.25 and 26,669.17 is: 40,007.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,722.45 : 121,094.25 = 26,669.17 : x
  2. Step 2: Convert to fraction form
    80,722.45/121,094.25 = 26,669.17/x
  3. Step 3: Cross multiply
    80,722.45x = 121,094.25 × 26,669.17
  4. Step 4: Simplify right side
    80,722.45x = 3,229,483,718.73
  5. Step 5: Solve for x
    x = 3,229,483,718.73/80,722.45
  6. Step 6: Final answer
    x = 40,007.26

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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.