Home / 99,734.92-137,620.54-57,293.44

Finding the Fourth Proportional to 99,734.92, 137,620.54 and 57,293.44

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Solution

The fourth proportional to 99,734.92, 137,620.54 and 57,293.44 is: 79,057.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,734.92 : 137,620.54 = 57,293.44 : x
  2. Step 2: Convert to fraction form
    99,734.92/137,620.54 = 57,293.44/x
  3. Step 3: Cross multiply
    99,734.92x = 137,620.54 × 57,293.44
  4. Step 4: Simplify right side
    99,734.92x = 7,884,754,151.26
  5. Step 5: Solve for x
    x = 7,884,754,151.26/99,734.92
  6. Step 6: Final answer
    x = 79,057.11

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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.