Home / 73,043.28-109,568.80-23,128.66

Finding the Fourth Proportional to 73,043.28, 109,568.80 and 23,128.66

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Solution

The fourth proportional to 73,043.28, 109,568.80 and 23,128.66 is: 34,694.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,043.28 : 109,568.80 = 23,128.66 : x
  2. Step 2: Convert to fraction form
    73,043.28/109,568.80 = 23,128.66/x
  3. Step 3: Cross multiply
    73,043.28x = 109,568.80 × 23,128.66
  4. Step 4: Simplify right side
    73,043.28x = 2,534,179,521.81
  5. Step 5: Solve for x
    x = 2,534,179,521.81/73,043.28
  6. Step 6: Final answer
    x = 34,694.22

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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.