Home / 84,581.55-116,734.97-48,764.57

Finding the Fourth Proportional to 84,581.55, 116,734.97 and 48,764.57

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Solution

The fourth proportional to 84,581.55, 116,734.97 and 48,764.57 is: 67,302.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,581.55 : 116,734.97 = 48,764.57 : x
  2. Step 2: Convert to fraction form
    84,581.55/116,734.97 = 48,764.57/x
  3. Step 3: Cross multiply
    84,581.55x = 116,734.97 × 48,764.57
  4. Step 4: Simplify right side
    84,581.55x = 5,692,530,154.25
  5. Step 5: Solve for x
    x = 5,692,530,154.25/84,581.55
  6. Step 6: Final answer
    x = 67,302.27

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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.