Home / 75,309.09-112,964.45-22,719.03

Finding the Fourth Proportional to 75,309.09, 112,964.45 and 22,719.03

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Solution

The fourth proportional to 75,309.09, 112,964.45 and 22,719.03 is: 34,078.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,309.09 : 112,964.45 = 22,719.03 : x
  2. Step 2: Convert to fraction form
    75,309.09/112,964.45 = 22,719.03/x
  3. Step 3: Cross multiply
    75,309.09x = 112,964.45 × 22,719.03
  4. Step 4: Simplify right side
    75,309.09x = 2,566,442,728.48
  5. Step 5: Solve for x
    x = 2,566,442,728.48/75,309.09
  6. Step 6: Final answer
    x = 34,078.79

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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.