Home / 87,656.24-120,958.31-48,891.67

Finding the Fourth Proportional to 87,656.24, 120,958.31 and 48,891.67

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Solution

The fourth proportional to 87,656.24, 120,958.31 and 48,891.67 is: 67,466.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,656.24 : 120,958.31 = 48,891.67 : x
  2. Step 2: Convert to fraction form
    87,656.24/120,958.31 = 48,891.67/x
  3. Step 3: Cross multiply
    87,656.24x = 120,958.31 × 48,891.67
  4. Step 4: Simplify right side
    87,656.24x = 5,913,853,596.11
  5. Step 5: Solve for x
    x = 5,913,853,596.11/87,656.24
  6. Step 6: Final answer
    x = 67,466.43

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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.