Home / 68,813.40-103,453.38-54,950.52

Finding the Fourth Proportional to 68,813.40, 103,453.38 and 54,950.52

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Solution

The fourth proportional to 68,813.40, 103,453.38 and 54,950.52 is: 82,612.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,813.40 : 103,453.38 = 54,950.52 : x
  2. Step 2: Convert to fraction form
    68,813.40/103,453.38 = 54,950.52/x
  3. Step 3: Cross multiply
    68,813.40x = 103,453.38 × 54,950.52
  4. Step 4: Simplify right side
    68,813.40x = 5,684,817,026.76
  5. Step 5: Solve for x
    x = 5,684,817,026.76/68,813.40
  6. Step 6: Final answer
    x = 82,612.06

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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.