Home / 74,982.92-103,490.82-48,159.32

Finding the Fourth Proportional to 74,982.92, 103,490.82 and 48,159.32

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Solution

The fourth proportional to 74,982.92, 103,490.82 and 48,159.32 is: 66,469.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,982.92 : 103,490.82 = 48,159.32 : x
  2. Step 2: Convert to fraction form
    74,982.92/103,490.82 = 48,159.32/x
  3. Step 3: Cross multiply
    74,982.92x = 103,490.82 × 48,159.32
  4. Step 4: Simplify right side
    74,982.92x = 4,984,047,517.44
  5. Step 5: Solve for x
    x = 4,984,047,517.44/74,982.92
  6. Step 6: Final answer
    x = 66,469.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.