Home / 103,882.40-155,823.60-33,768.80

Finding the Fourth Proportional to 103,882.40, 155,823.60 and 33,768.80

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Solution

The fourth proportional to 103,882.40, 155,823.60 and 33,768.80 is: 50,653.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,882.40 : 155,823.60 = 33,768.80 : x
  2. Step 2: Convert to fraction form
    103,882.40/155,823.60 = 33,768.80/x
  3. Step 3: Cross multiply
    103,882.40x = 155,823.60 × 33,768.80
  4. Step 4: Simplify right side
    103,882.40x = 5,261,975,983.68
  5. Step 5: Solve for x
    x = 5,261,975,983.68/103,882.40
  6. Step 6: Final answer
    x = 50,653.20

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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.