Home / 68,674.72-103,055.40-29,231.74

Finding the Fourth Proportional to 68,674.72, 103,055.40 and 29,231.74

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Solution

The fourth proportional to 68,674.72, 103,055.40 and 29,231.74 is: 43,866.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,674.72 : 103,055.40 = 29,231.74 : x
  2. Step 2: Convert to fraction form
    68,674.72/103,055.40 = 29,231.74/x
  3. Step 3: Cross multiply
    68,674.72x = 103,055.40 × 29,231.74
  4. Step 4: Simplify right side
    68,674.72x = 3,012,488,658.40
  5. Step 5: Solve for x
    x = 3,012,488,658.40/68,674.72
  6. Step 6: Final answer
    x = 43,866.05

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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.