Home / 114,082.05-157,408.61-66,310.95

Finding the Fourth Proportional to 114,082.05, 157,408.61 and 66,310.95

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Solution

The fourth proportional to 114,082.05, 157,408.61 and 66,310.95 is: 91,494.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,082.05 : 157,408.61 = 66,310.95 : x
  2. Step 2: Convert to fraction form
    114,082.05/157,408.61 = 66,310.95/x
  3. Step 3: Cross multiply
    114,082.05x = 157,408.61 × 66,310.95
  4. Step 4: Simplify right side
    114,082.05x = 10,437,914,135.72
  5. Step 5: Solve for x
    x = 10,437,914,135.72/114,082.05
  6. Step 6: Final answer
    x = 91,494.80

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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.