Home / 63,780.72-95,708.13-35,320.56

Finding the Fourth Proportional to 63,780.72, 95,708.13 and 35,320.56

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Solution

The fourth proportional to 63,780.72, 95,708.13 and 35,320.56 is: 53,001.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,780.72 : 95,708.13 = 35,320.56 : x
  2. Step 2: Convert to fraction form
    63,780.72/95,708.13 = 35,320.56/x
  3. Step 3: Cross multiply
    63,780.72x = 95,708.13 × 35,320.56
  4. Step 4: Simplify right side
    63,780.72x = 3,380,464,455.47
  5. Step 5: Solve for x
    x = 3,380,464,455.47/63,780.72
  6. Step 6: Final answer
    x = 53,001.36

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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.