Home / 71,785.52-107,683.12-24,405.36

Finding the Fourth Proportional to 71,785.52, 107,683.12 and 24,405.36

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Solution

The fourth proportional to 71,785.52, 107,683.12 and 24,405.36 is: 36,609.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,785.52 : 107,683.12 = 24,405.36 : x
  2. Step 2: Convert to fraction form
    71,785.52/107,683.12 = 24,405.36/x
  3. Step 3: Cross multiply
    71,785.52x = 107,683.12 × 24,405.36
  4. Step 4: Simplify right side
    71,785.52x = 2,628,045,309.52
  5. Step 5: Solve for x
    x = 2,628,045,309.52/71,785.52
  6. Step 6: Final answer
    x = 36,609.69

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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.