Home / 80,913.03-121,287.78-33,462.66

Finding the Fourth Proportional to 80,913.03, 121,287.78 and 33,462.66

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Solution

The fourth proportional to 80,913.03, 121,287.78 and 33,462.66 is: 50,160.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,913.03 : 121,287.78 = 33,462.66 : x
  2. Step 2: Convert to fraction form
    80,913.03/121,287.78 = 33,462.66/x
  3. Step 3: Cross multiply
    80,913.03x = 121,287.78 × 33,462.66
  4. Step 4: Simplify right side
    80,913.03x = 4,058,611,744.29
  5. Step 5: Solve for x
    x = 4,058,611,744.29/80,913.03
  6. Step 6: Final answer
    x = 50,160.17

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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.