Home / 61,519.31-92,246.14-31,863.59

Finding the Fourth Proportional to 61,519.31, 92,246.14 and 31,863.59

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Solution

The fourth proportional to 61,519.31, 92,246.14 and 31,863.59 is: 47,778.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,519.31 : 92,246.14 = 31,863.59 : x
  2. Step 2: Convert to fraction form
    61,519.31/92,246.14 = 31,863.59/x
  3. Step 3: Cross multiply
    61,519.31x = 92,246.14 × 31,863.59
  4. Step 4: Simplify right side
    61,519.31x = 2,939,293,184.04
  5. Step 5: Solve for x
    x = 2,939,293,184.04/61,519.31
  6. Step 6: Final answer
    x = 47,778.38

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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.