Home / 63,636.38-87,818.20-35,344.70

Finding the Fourth Proportional to 63,636.38, 87,818.20 and 35,344.70

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Solution

The fourth proportional to 63,636.38, 87,818.20 and 35,344.70 is: 48,775.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,636.38 : 87,818.20 = 35,344.70 : x
  2. Step 2: Convert to fraction form
    63,636.38/87,818.20 = 35,344.70/x
  3. Step 3: Cross multiply
    63,636.38x = 87,818.20 × 35,344.70
  4. Step 4: Simplify right side
    63,636.38x = 3,103,907,406.09
  5. Step 5: Solve for x
    x = 3,103,907,406.09/63,636.38
  6. Step 6: Final answer
    x = 48,775.68

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1.5x scale

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.