Home / 61,136.11-84,367.82-34,278.62

Finding the Fourth Proportional to 61,136.11, 84,367.82 and 34,278.62

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Solution

The fourth proportional to 61,136.11, 84,367.82 and 34,278.62 is: 47,304.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,136.11 : 84,367.82 = 34,278.62 : x
  2. Step 2: Convert to fraction form
    61,136.11/84,367.82 = 34,278.62/x
  3. Step 3: Cross multiply
    61,136.11x = 84,367.82 × 34,278.62
  4. Step 4: Simplify right side
    61,136.11x = 2,892,011,848.78
  5. Step 5: Solve for x
    x = 2,892,011,848.78/61,136.11
  6. Step 6: Final answer
    x = 47,304.48

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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.