Home / 69,213.24-103,770.65-33,148.40

Finding the Fourth Proportional to 69,213.24, 103,770.65 and 33,148.40

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Solution

The fourth proportional to 69,213.24, 103,770.65 and 33,148.40 is: 49,699.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,213.24 : 103,770.65 = 33,148.40 : x
  2. Step 2: Convert to fraction form
    69,213.24/103,770.65 = 33,148.40/x
  3. Step 3: Cross multiply
    69,213.24x = 103,770.65 × 33,148.40
  4. Step 4: Simplify right side
    69,213.24x = 3,439,830,578.48
  5. Step 5: Solve for x
    x = 3,439,830,578.48/69,213.24
  6. Step 6: Final answer
    x = 49,699.03

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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.