Home / 84,680.42-116,832.38-48,865.74

Finding the Fourth Proportional to 84,680.42, 116,832.38 and 48,865.74

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Solution

The fourth proportional to 84,680.42, 116,832.38 and 48,865.74 is: 67,419.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,680.42 : 116,832.38 = 48,865.74 : x
  2. Step 2: Convert to fraction form
    84,680.42/116,832.38 = 48,865.74/x
  3. Step 3: Cross multiply
    84,680.42x = 116,832.38 × 48,865.74
  4. Step 4: Simplify right side
    84,680.42x = 5,709,100,704.66
  5. Step 5: Solve for x
    x = 5,709,100,704.66/84,680.42
  6. Step 6: Final answer
    x = 67,419.37

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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.