Home / 61,729.11-85,185.54-34,871.58

Finding the Fourth Proportional to 61,729.11, 85,185.54 and 34,871.58

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Solution

The fourth proportional to 61,729.11, 85,185.54 and 34,871.58 is: 48,122.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,729.11 : 85,185.54 = 34,871.58 : x
  2. Step 2: Convert to fraction form
    61,729.11/85,185.54 = 34,871.58/x
  3. Step 3: Cross multiply
    61,729.11x = 85,185.54 × 34,871.58
  4. Step 4: Simplify right side
    61,729.11x = 2,970,554,372.95
  5. Step 5: Solve for x
    x = 2,970,554,372.95/61,729.11
  6. Step 6: Final answer
    x = 48,122.42

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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.