Home / 68,285.43-102,471.75-33,205.95

Finding the Fourth Proportional to 68,285.43, 102,471.75 and 33,205.95

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Solution

The fourth proportional to 68,285.43, 102,471.75 and 33,205.95 is: 49,830.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,285.43 : 102,471.75 = 33,205.95 : x
  2. Step 2: Convert to fraction form
    68,285.43/102,471.75 = 33,205.95/x
  3. Step 3: Cross multiply
    68,285.43x = 102,471.75 × 33,205.95
  4. Step 4: Simplify right side
    68,285.43x = 3,402,671,806.91
  5. Step 5: Solve for x
    x = 3,402,671,806.91/68,285.43
  6. Step 6: Final answer
    x = 49,830.13

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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.