Home / 48,540.40-72,637.80-33,679.60

Finding the Fourth Proportional to 48,540.40, 72,637.80 and 33,679.60

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Solution

The fourth proportional to 48,540.40, 72,637.80 and 33,679.60 is: 50,399.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,540.40 : 72,637.80 = 33,679.60 : x
  2. Step 2: Convert to fraction form
    48,540.40/72,637.80 = 33,679.60/x
  3. Step 3: Cross multiply
    48,540.40x = 72,637.80 × 33,679.60
  4. Step 4: Simplify right side
    48,540.40x = 2,446,412,048.88
  5. Step 5: Solve for x
    x = 2,446,412,048.88/48,540.40
  6. Step 6: Final answer
    x = 50,399.50

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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.