Home / 55,867.67-77,098.90-30,375.75

Finding the Fourth Proportional to 55,867.67, 77,098.90 and 30,375.75

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Solution

The fourth proportional to 55,867.67, 77,098.90 and 30,375.75 is: 41,919.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,867.67 : 77,098.90 = 30,375.75 : x
  2. Step 2: Convert to fraction form
    55,867.67/77,098.90 = 30,375.75/x
  3. Step 3: Cross multiply
    55,867.67x = 77,098.90 × 30,375.75
  4. Step 4: Simplify right side
    55,867.67x = 2,341,937,238.77
  5. Step 5: Solve for x
    x = 2,341,937,238.77/55,867.67
  6. Step 6: Final answer
    x = 41,919.37

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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.