Home / 88,181.56-121,691.43-47,896.11

Finding the Fourth Proportional to 88,181.56, 121,691.43 and 47,896.11

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Solution

The fourth proportional to 88,181.56, 121,691.43 and 47,896.11 is: 66,097.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,181.56 : 121,691.43 = 47,896.11 : x
  2. Step 2: Convert to fraction form
    88,181.56/121,691.43 = 47,896.11/x
  3. Step 3: Cross multiply
    88,181.56x = 121,691.43 × 47,896.11
  4. Step 4: Simplify right side
    88,181.56x = 5,828,545,508.88
  5. Step 5: Solve for x
    x = 5,828,545,508.88/88,181.56
  6. Step 6: Final answer
    x = 66,097.11

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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.