Home / 83,965.14-115,873.44-45,725.82

Finding the Fourth Proportional to 83,965.14, 115,873.44 and 45,725.82

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Solution

The fourth proportional to 83,965.14, 115,873.44 and 45,725.82 is: 63,102.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,965.14 : 115,873.44 = 45,725.82 : x
  2. Step 2: Convert to fraction form
    83,965.14/115,873.44 = 45,725.82/x
  3. Step 3: Cross multiply
    83,965.14x = 115,873.44 × 45,725.82
  4. Step 4: Simplify right side
    83,965.14x = 5,298,408,060.22
  5. Step 5: Solve for x
    x = 5,298,408,060.22/83,965.14
  6. Step 6: Final answer
    x = 63,102.47

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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.