Home / 72,643.16-108,964.92-22,723.58

Finding the Fourth Proportional to 72,643.16, 108,964.92 and 22,723.58

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Solution

The fourth proportional to 72,643.16, 108,964.92 and 22,723.58 is: 34,085.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,643.16 : 108,964.92 = 22,723.58 : x
  2. Step 2: Convert to fraction form
    72,643.16/108,964.92 = 22,723.58/x
  3. Step 3: Cross multiply
    72,643.16x = 108,964.92 × 22,723.58
  4. Step 4: Simplify right side
    72,643.16x = 2,476,073,076.81
  5. Step 5: Solve for x
    x = 2,476,073,076.81/72,643.16
  6. Step 6: Final answer
    x = 34,085.43

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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.