Home / 84,349.17-116,398.38-48,540.45

Finding the Fourth Proportional to 84,349.17, 116,398.38 and 48,540.45

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Solution

The fourth proportional to 84,349.17, 116,398.38 and 48,540.45 is: 66,983.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,349.17 : 116,398.38 = 48,540.45 : x
  2. Step 2: Convert to fraction form
    84,349.17/116,398.38 = 48,540.45/x
  3. Step 3: Cross multiply
    84,349.17x = 116,398.38 × 48,540.45
  4. Step 4: Simplify right side
    84,349.17x = 5,650,029,744.47
  5. Step 5: Solve for x
    x = 5,650,029,744.47/84,349.17
  6. Step 6: Final answer
    x = 66,983.82

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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.