Home / 70,681.11-106,021.71-33,213.69

Finding the Fourth Proportional to 70,681.11, 106,021.71 and 33,213.69

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Solution

The fourth proportional to 70,681.11, 106,021.71 and 33,213.69 is: 49,820.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,681.11 : 106,021.71 = 33,213.69 : x
  2. Step 2: Convert to fraction form
    70,681.11/106,021.71 = 33,213.69/x
  3. Step 3: Cross multiply
    70,681.11x = 106,021.71 × 33,213.69
  4. Step 4: Simplify right side
    70,681.11x = 3,521,372,209.21
  5. Step 5: Solve for x
    x = 3,521,372,209.21/70,681.11
  6. Step 6: Final answer
    x = 49,820.56

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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.