Home / 63,767.20-87,996.72-35,472.64

Finding the Fourth Proportional to 63,767.20, 87,996.72 and 35,472.64

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Solution

The fourth proportional to 63,767.20, 87,996.72 and 35,472.64 is: 48,951.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,767.20 : 87,996.72 = 35,472.64 : x
  2. Step 2: Convert to fraction form
    63,767.20/87,996.72 = 35,472.64/x
  3. Step 3: Cross multiply
    63,767.20x = 87,996.72 × 35,472.64
  4. Step 4: Simplify right side
    63,767.20x = 3,121,475,969.74
  5. Step 5: Solve for x
    x = 3,121,475,969.74/63,767.20
  6. Step 6: Final answer
    x = 48,951.12

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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.