Home / 102,351.66-141,255.68-57,037.02

Finding the Fourth Proportional to 102,351.66, 141,255.68 and 57,037.02

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Solution

The fourth proportional to 102,351.66, 141,255.68 and 57,037.02 is: 78,716.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,351.66 : 141,255.68 = 57,037.02 : x
  2. Step 2: Convert to fraction form
    102,351.66/141,255.68 = 57,037.02/x
  3. Step 3: Cross multiply
    102,351.66x = 141,255.68 × 57,037.02
  4. Step 4: Simplify right side
    102,351.66x = 8,056,803,045.27
  5. Step 5: Solve for x
    x = 8,056,803,045.27/102,351.66
  6. Step 6: Final answer
    x = 78,716.88

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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.