Home / 103,434.08-155,175.42-33,310.76

Finding the Fourth Proportional to 103,434.08, 155,175.42 and 33,310.76

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Solution

The fourth proportional to 103,434.08, 155,175.42 and 33,310.76 is: 49,973.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,434.08 : 155,175.42 = 33,310.76 : x
  2. Step 2: Convert to fraction form
    103,434.08/155,175.42 = 33,310.76/x
  3. Step 3: Cross multiply
    103,434.08x = 155,175.42 × 33,310.76
  4. Step 4: Simplify right side
    103,434.08x = 5,169,011,173.52
  5. Step 5: Solve for x
    x = 5,169,011,173.52/103,434.08
  6. Step 6: Final answer
    x = 49,973.97

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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.