Home / 49,112.40-73,655.12-13,565.22

Finding the Fourth Proportional to 49,112.40, 73,655.12 and 13,565.22

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Solution

The fourth proportional to 49,112.40, 73,655.12 and 13,565.22 is: 20,344.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,112.40 : 73,655.12 = 13,565.22 : x
  2. Step 2: Convert to fraction form
    49,112.40/73,655.12 = 13,565.22/x
  3. Step 3: Cross multiply
    49,112.40x = 73,655.12 × 13,565.22
  4. Step 4: Simplify right side
    49,112.40x = 999,147,906.93
  5. Step 5: Solve for x
    x = 999,147,906.93/49,112.40
  6. Step 6: Final answer
    x = 20,344.11

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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.