Home / 73,005.16-109,541.82-71,825.80

Finding the Fourth Proportional to 73,005.16, 109,541.82 and 71,825.80

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Solution

The fourth proportional to 73,005.16, 109,541.82 and 71,825.80 is: 107,772.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,005.16 : 109,541.82 = 71,825.80 : x
  2. Step 2: Convert to fraction form
    73,005.16/109,541.82 = 71,825.80/x
  3. Step 3: Cross multiply
    73,005.16x = 109,541.82 × 71,825.80
  4. Step 4: Simplify right side
    73,005.16x = 7,867,928,854.96
  5. Step 5: Solve for x
    x = 7,867,928,854.96/73,005.16
  6. Step 6: Final answer
    x = 107,772.23

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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.