Home / 63,636.20-87,815.54-35,343.71

Finding the Fourth Proportional to 63,636.20, 87,815.54 and 35,343.71

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Solution

The fourth proportional to 63,636.20, 87,815.54 and 35,343.71 is: 48,772.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,636.20 : 87,815.54 = 35,343.71 : x
  2. Step 2: Convert to fraction form
    63,636.20/87,815.54 = 35,343.71/x
  3. Step 3: Cross multiply
    63,636.20x = 87,815.54 × 35,343.71
  4. Step 4: Simplify right side
    63,636.20x = 3,103,726,363.46
  5. Step 5: Solve for x
    x = 3,103,726,363.46/63,636.20
  6. Step 6: Final answer
    x = 48,772.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.