Home / 68,905.80-103,368.30-29,462.60

Finding the Fourth Proportional to 68,905.80, 103,368.30 and 29,462.60

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Solution

The fourth proportional to 68,905.80, 103,368.30 and 29,462.60 is: 44,198.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,905.80 : 103,368.30 = 29,462.60 : x
  2. Step 2: Convert to fraction form
    68,905.80/103,368.30 = 29,462.60/x
  3. Step 3: Cross multiply
    68,905.80x = 103,368.30 × 29,462.60
  4. Step 4: Simplify right side
    68,905.80x = 3,045,498,875.58
  5. Step 5: Solve for x
    x = 3,045,498,875.58/68,905.80
  6. Step 6: Final answer
    x = 44,198.00

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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.