Home / 68,947.70-103,421.55-48,827.30

Finding the Fourth Proportional to 68,947.70, 103,421.55 and 48,827.30

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Solution

The fourth proportional to 68,947.70, 103,421.55 and 48,827.30 is: 73,240.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,947.70 : 103,421.55 = 48,827.30 : x
  2. Step 2: Convert to fraction form
    68,947.70/103,421.55 = 48,827.30/x
  3. Step 3: Cross multiply
    68,947.70x = 103,421.55 × 48,827.30
  4. Step 4: Simplify right side
    68,947.70x = 5,049,795,048.32
  5. Step 5: Solve for x
    x = 5,049,795,048.32/68,947.70
  6. Step 6: Final answer
    x = 73,240.95

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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.