Home / 63,919.74-88,139.97-43,515

Finding the Fourth Proportional to 63,919.74, 88,139.97 and 43,515

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Solution

The fourth proportional to 63,919.74, 88,139.97 and 43,515 is: 60,003.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,919.74 : 88,139.97 = 43,515 : x
  2. Step 2: Convert to fraction form
    63,919.74/88,139.97 = 43,515/x
  3. Step 3: Cross multiply
    63,919.74x = 88,139.97 × 43,515
  4. Step 4: Simplify right side
    63,919.74x = 3,835,410,794.55
  5. Step 5: Solve for x
    x = 3,835,410,794.55/63,919.74
  6. Step 6: Final answer
    x = 60,003.54

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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.