Home / 83,837.45-115,712.12-48,051.45

Finding the Fourth Proportional to 83,837.45, 115,712.12 and 48,051.45

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Solution

The fourth proportional to 83,837.45, 115,712.12 and 48,051.45 is: 66,320.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,837.45 : 115,712.12 = 48,051.45 : x
  2. Step 2: Convert to fraction form
    83,837.45/115,712.12 = 48,051.45/x
  3. Step 3: Cross multiply
    83,837.45x = 115,712.12 × 48,051.45
  4. Step 4: Simplify right side
    83,837.45x = 5,560,135,268.70
  5. Step 5: Solve for x
    x = 5,560,135,268.70/83,837.45
  6. Step 6: Final answer
    x = 66,320.42

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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.