Home / 68,261.28-102,438.05-23,888.42

Finding the Fourth Proportional to 68,261.28, 102,438.05 and 23,888.42

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Solution

The fourth proportional to 68,261.28, 102,438.05 and 23,888.42 is: 35,848.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,261.28 : 102,438.05 = 23,888.42 : x
  2. Step 2: Convert to fraction form
    68,261.28/102,438.05 = 23,888.42/x
  3. Step 3: Cross multiply
    68,261.28x = 102,438.05 × 23,888.42
  4. Step 4: Simplify right side
    68,261.28x = 2,447,082,530.75
  5. Step 5: Solve for x
    x = 2,447,082,530.75/68,261.28
  6. Step 6: Final answer
    x = 35,848.76

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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.