Home / 48,780.81-73,163.01-13,712.25

Finding the Fourth Proportional to 48,780.81, 73,163.01 and 13,712.25

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Solution

The fourth proportional to 48,780.81, 73,163.01 and 13,712.25 is: 20,566.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,780.81 : 73,163.01 = 13,712.25 : x
  2. Step 2: Convert to fraction form
    48,780.81/73,163.01 = 13,712.25/x
  3. Step 3: Cross multiply
    48,780.81x = 73,163.01 × 13,712.25
  4. Step 4: Simplify right side
    48,780.81x = 1,003,229,483.87
  5. Step 5: Solve for x
    x = 1,003,229,483.87/48,780.81
  6. Step 6: Final answer
    x = 20,566.07

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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.