Home / 103,680.26-155,518.56-33,559.57

Finding the Fourth Proportional to 103,680.26, 155,518.56 and 33,559.57

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Solution

The fourth proportional to 103,680.26, 155,518.56 and 33,559.57 is: 50,338.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,680.26 : 155,518.56 = 33,559.57 : x
  2. Step 2: Convert to fraction form
    103,680.26/155,518.56 = 33,559.57/x
  3. Step 3: Cross multiply
    103,680.26x = 155,518.56 × 33,559.57
  4. Step 4: Simplify right side
    103,680.26x = 5,219,136,000.62
  5. Step 5: Solve for x
    x = 5,219,136,000.62/103,680.26
  6. Step 6: Final answer
    x = 50,338.76

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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.