Home / 75,767.82-113,627.10-35,780.61

Finding the Fourth Proportional to 75,767.82, 113,627.10 and 35,780.61

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Solution

The fourth proportional to 75,767.82, 113,627.10 and 35,780.61 is: 53,659.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,767.82 : 113,627.10 = 35,780.61 : x
  2. Step 2: Convert to fraction form
    75,767.82/113,627.10 = 35,780.61/x
  3. Step 3: Cross multiply
    75,767.82x = 113,627.10 × 35,780.61
  4. Step 4: Simplify right side
    75,767.82x = 4,065,646,950.53
  5. Step 5: Solve for x
    x = 4,065,646,950.53/75,767.82
  6. Step 6: Final answer
    x = 53,659.28

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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.