Home / 69,072.42-103,614.28-29,102.96

Finding the Fourth Proportional to 69,072.42, 103,614.28 and 29,102.96

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Solution

The fourth proportional to 69,072.42, 103,614.28 and 29,102.96 is: 43,656.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,072.42 : 103,614.28 = 29,102.96 : x
  2. Step 2: Convert to fraction form
    69,072.42/103,614.28 = 29,102.96/x
  3. Step 3: Cross multiply
    69,072.42x = 103,614.28 × 29,102.96
  4. Step 4: Simplify right side
    69,072.42x = 3,015,482,246.27
  5. Step 5: Solve for x
    x = 3,015,482,246.27/69,072.42
  6. Step 6: Final answer
    x = 43,656.82

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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.