Home / 103,705.20-155,582.46-33,584.40

Finding the Fourth Proportional to 103,705.20, 155,582.46 and 33,584.40

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Solution

The fourth proportional to 103,705.20, 155,582.46 and 33,584.40 is: 50,384.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,705.20 : 155,582.46 = 33,584.40 : x
  2. Step 2: Convert to fraction form
    103,705.20/155,582.46 = 33,584.40/x
  3. Step 3: Cross multiply
    103,705.20x = 155,582.46 × 33,584.40
  4. Step 4: Simplify right side
    103,705.20x = 5,225,143,569.62
  5. Step 5: Solve for x
    x = 5,225,143,569.62/103,705.20
  6. Step 6: Final answer
    x = 50,384.59

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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.