Home / 94,082.99-129,942.28-61,961.20

Finding the Fourth Proportional to 94,082.99, 129,942.28 and 61,961.20

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Solution

The fourth proportional to 94,082.99, 129,942.28 and 61,961.20 is: 85,577.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,082.99 : 129,942.28 = 61,961.20 : x
  2. Step 2: Convert to fraction form
    94,082.99/129,942.28 = 61,961.20/x
  3. Step 3: Cross multiply
    94,082.99x = 129,942.28 × 61,961.20
  4. Step 4: Simplify right side
    94,082.99x = 8,051,379,177.87
  5. Step 5: Solve for x
    x = 8,051,379,177.87/94,082.99
  6. Step 6: Final answer
    x = 85,577.42

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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.