Home / 68,082.11-102,016.45-43,069.32

Finding the Fourth Proportional to 68,082.11, 102,016.45 and 43,069.32

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Solution

The fourth proportional to 68,082.11, 102,016.45 and 43,069.32 is: 64,536.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,082.11 : 102,016.45 = 43,069.32 : x
  2. Step 2: Convert to fraction form
    68,082.11/102,016.45 = 43,069.32/x
  3. Step 3: Cross multiply
    68,082.11x = 102,016.45 × 43,069.32
  4. Step 4: Simplify right side
    68,082.11x = 4,393,779,130.31
  5. Step 5: Solve for x
    x = 4,393,779,130.31/68,082.11
  6. Step 6: Final answer
    x = 64,536.47

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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.