Home / 83,371.06-115,052.16-45,644.50

Finding the Fourth Proportional to 83,371.06, 115,052.16 and 45,644.50

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Solution

The fourth proportional to 83,371.06, 115,052.16 and 45,644.50 is: 62,989.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,371.06 : 115,052.16 = 45,644.50 : x
  2. Step 2: Convert to fraction form
    83,371.06/115,052.16 = 45,644.50/x
  3. Step 3: Cross multiply
    83,371.06x = 115,052.16 × 45,644.50
  4. Step 4: Simplify right side
    83,371.06x = 5,251,498,317.12
  5. Step 5: Solve for x
    x = 5,251,498,317.12/83,371.06
  6. Step 6: Final answer
    x = 62,989.46

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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.