Home / 103,757.28-155,657.79-33,631.14

Finding the Fourth Proportional to 103,757.28, 155,657.79 and 33,631.14

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Solution

The fourth proportional to 103,757.28, 155,657.79 and 33,631.14 is: 50,453.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,757.28 : 155,657.79 = 33,631.14 : x
  2. Step 2: Convert to fraction form
    103,757.28/155,657.79 = 33,631.14/x
  3. Step 3: Cross multiply
    103,757.28x = 155,657.79 × 33,631.14
  4. Step 4: Simplify right side
    103,757.28x = 5,234,948,927.58
  5. Step 5: Solve for x
    x = 5,234,948,927.58/103,757.28
  6. Step 6: Final answer
    x = 50,453.80

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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.