Home / 99,610.18-137,596.66-79,607.26

Finding the Fourth Proportional to 99,610.18, 137,596.66 and 79,607.26

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Solution

The fourth proportional to 99,610.18, 137,596.66 and 79,607.26 is: 109,965.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,610.18 : 137,596.66 = 79,607.26 : x
  2. Step 2: Convert to fraction form
    99,610.18/137,596.66 = 79,607.26/x
  3. Step 3: Cross multiply
    99,610.18x = 137,596.66 × 79,607.26
  4. Step 4: Simplify right side
    99,610.18x = 10,953,692,843.27
  5. Step 5: Solve for x
    x = 10,953,692,843.27/99,610.18
  6. Step 6: Final answer
    x = 109,965.60

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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.