Home / 66,082.15-99,618.41-61,682.91

Finding the Fourth Proportional to 66,082.15, 99,618.41 and 61,682.91

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Solution

The fourth proportional to 66,082.15, 99,618.41 and 61,682.91 is: 92,986.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,082.15 : 99,618.41 = 61,682.91 : x
  2. Step 2: Convert to fraction form
    66,082.15/99,618.41 = 61,682.91/x
  3. Step 3: Cross multiply
    66,082.15x = 99,618.41 × 61,682.91
  4. Step 4: Simplify right side
    66,082.15x = 6,144,753,418.37
  5. Step 5: Solve for x
    x = 6,144,753,418.37/66,082.15
  6. Step 6: Final answer
    x = 92,986.58

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.