Home / 92,119.14-138,178.20-79,601.10

Finding the Fourth Proportional to 92,119.14, 138,178.20 and 79,601.10

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Solution

The fourth proportional to 92,119.14, 138,178.20 and 79,601.10 is: 119,401.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,119.14 : 138,178.20 = 79,601.10 : x
  2. Step 2: Convert to fraction form
    92,119.14/138,178.20 = 79,601.10/x
  3. Step 3: Cross multiply
    92,119.14x = 138,178.20 × 79,601.10
  4. Step 4: Simplify right side
    92,119.14x = 10,999,136,716.02
  5. Step 5: Solve for x
    x = 10,999,136,716.02/92,119.14
  6. Step 6: Final answer
    x = 119,401.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.