Home / 103,928.32-155,898.05-32,845.55

Finding the Fourth Proportional to 103,928.32, 155,898.05 and 32,845.55

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Solution

The fourth proportional to 103,928.32, 155,898.05 and 32,845.55 is: 49,270.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,928.32 : 155,898.05 = 32,845.55 : x
  2. Step 2: Convert to fraction form
    103,928.32/155,898.05 = 32,845.55/x
  3. Step 3: Cross multiply
    103,928.32x = 155,898.05 × 32,845.55
  4. Step 4: Simplify right side
    103,928.32x = 5,120,557,140.93
  5. Step 5: Solve for x
    x = 5,120,557,140.93/103,928.32
  6. Step 6: Final answer
    x = 49,270.09

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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.