Home / 75,456.59-104,122.14-43,635.74

Finding the Fourth Proportional to 75,456.59, 104,122.14 and 43,635.74

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Solution

The fourth proportional to 75,456.59, 104,122.14 and 43,635.74 is: 60,212.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,456.59 : 104,122.14 = 43,635.74 : x
  2. Step 2: Convert to fraction form
    75,456.59/104,122.14 = 43,635.74/x
  3. Step 3: Cross multiply
    75,456.59x = 104,122.14 × 43,635.74
  4. Step 4: Simplify right side
    75,456.59x = 4,543,446,629.28
  5. Step 5: Solve for x
    x = 4,543,446,629.28/75,456.59
  6. Step 6: Final answer
    x = 60,212.72

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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.