Home / 103,372.82-142,646.37-58,660.82

Finding the Fourth Proportional to 103,372.82, 142,646.37 and 58,660.82

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Solution

The fourth proportional to 103,372.82, 142,646.37 and 58,660.82 is: 80,947.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,372.82 : 142,646.37 = 58,660.82 : x
  2. Step 2: Convert to fraction form
    103,372.82/142,646.37 = 58,660.82/x
  3. Step 3: Cross multiply
    103,372.82x = 142,646.37 × 58,660.82
  4. Step 4: Simplify right side
    103,372.82x = 8,367,753,034.22
  5. Step 5: Solve for x
    x = 8,367,753,034.22/103,372.82
  6. Step 6: Final answer
    x = 80,947.32

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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.