Home / 84,046.20-115,995.42-48,247.44

Finding the Fourth Proportional to 84,046.20, 115,995.42 and 48,247.44

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Solution

The fourth proportional to 84,046.20, 115,995.42 and 48,247.44 is: 66,588.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,046.20 : 115,995.42 = 48,247.44 : x
  2. Step 2: Convert to fraction form
    84,046.20/115,995.42 = 48,247.44/x
  3. Step 3: Cross multiply
    84,046.20x = 115,995.42 × 48,247.44
  4. Step 4: Simplify right side
    84,046.20x = 5,596,482,066.72
  5. Step 5: Solve for x
    x = 5,596,482,066.72/84,046.20
  6. Step 6: Final answer
    x = 66,588.16

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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.