Home / 48,745.80-73,123.32-13,685.34

Finding the Fourth Proportional to 48,745.80, 73,123.32 and 13,685.34

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Solution

The fourth proportional to 48,745.80, 73,123.32 and 13,685.34 is: 20,529.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,745.80 : 73,123.32 = 13,685.34 : x
  2. Step 2: Convert to fraction form
    48,745.80/73,123.32 = 13,685.34/x
  3. Step 3: Cross multiply
    48,745.80x = 73,123.32 × 13,685.34
  4. Step 4: Simplify right side
    48,745.80x = 1,000,717,496.13
  5. Step 5: Solve for x
    x = 1,000,717,496.13/48,745.80
  6. Step 6: Final answer
    x = 20,529.31

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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.