Home / 48,801.90-73,202.49-13,740.78

Finding the Fourth Proportional to 48,801.90, 73,202.49 and 13,740.78

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Solution

The fourth proportional to 48,801.90, 73,202.49 and 13,740.78 is: 20,611.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,801.90 : 73,202.49 = 13,740.78 : x
  2. Step 2: Convert to fraction form
    48,801.90/73,202.49 = 13,740.78/x
  3. Step 3: Cross multiply
    48,801.90x = 73,202.49 × 13,740.78
  4. Step 4: Simplify right side
    48,801.90x = 1,005,859,310.54
  5. Step 5: Solve for x
    x = 1,005,859,310.54/48,801.90
  6. Step 6: Final answer
    x = 20,611.07

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1.5x scale

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.