Home / 99,608.19-137,453.94-57,163.92

Finding the Fourth Proportional to 99,608.19, 137,453.94 and 57,163.92

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Solution

The fourth proportional to 99,608.19, 137,453.94 and 57,163.92 is: 78,883.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,608.19 : 137,453.94 = 57,163.92 : x
  2. Step 2: Convert to fraction form
    99,608.19/137,453.94 = 57,163.92/x
  3. Step 3: Cross multiply
    99,608.19x = 137,453.94 × 57,163.92
  4. Step 4: Simplify right side
    99,608.19x = 7,857,406,029.84
  5. Step 5: Solve for x
    x = 7,857,406,029.84/99,608.19
  6. Step 6: Final answer
    x = 78,883.13

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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.