Home / 67,217.71-100,888.80-33,961.18

Finding the Fourth Proportional to 67,217.71, 100,888.80 and 33,961.18

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Solution

The fourth proportional to 67,217.71, 100,888.80 and 33,961.18 is: 50,973.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,217.71 : 100,888.80 = 33,961.18 : x
  2. Step 2: Convert to fraction form
    67,217.71/100,888.80 = 33,961.18/x
  3. Step 3: Cross multiply
    67,217.71x = 100,888.80 × 33,961.18
  4. Step 4: Simplify right side
    67,217.71x = 3,426,302,696.78
  5. Step 5: Solve for x
    x = 3,426,302,696.78/67,217.71
  6. Step 6: Final answer
    x = 50,973.21

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1.5x scale

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.