Home / 71,964.96-107,807.15-43,815.23

Finding the Fourth Proportional to 71,964.96, 107,807.15 and 43,815.23

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Solution

The fourth proportional to 71,964.96, 107,807.15 and 43,815.23 is: 65,637.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,964.96 : 107,807.15 = 43,815.23 : x
  2. Step 2: Convert to fraction form
    71,964.96/107,807.15 = 43,815.23/x
  3. Step 3: Cross multiply
    71,964.96x = 107,807.15 × 43,815.23
  4. Step 4: Simplify right side
    71,964.96x = 4,723,595,047.67
  5. Step 5: Solve for x
    x = 4,723,595,047.67/71,964.96
  6. Step 6: Final answer
    x = 65,637.43

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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.