Home / 68,896.18-103,355.10-29,453.50

Finding the Fourth Proportional to 68,896.18, 103,355.10 and 29,453.50

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Solution

The fourth proportional to 68,896.18, 103,355.10 and 29,453.50 is: 44,184.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,896.18 : 103,355.10 = 29,453.50 : x
  2. Step 2: Convert to fraction form
    68,896.18/103,355.10 = 29,453.50/x
  3. Step 3: Cross multiply
    68,896.18x = 103,355.10 × 29,453.50
  4. Step 4: Simplify right side
    68,896.18x = 3,044,169,437.85
  5. Step 5: Solve for x
    x = 3,044,169,437.85/68,896.18
  6. Step 6: Final answer
    x = 44,184.88

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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.