Home / 100,074.40-150,113.42-33,502.12

Finding the Fourth Proportional to 100,074.40, 150,113.42 and 33,502.12

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Solution

The fourth proportional to 100,074.40, 150,113.42 and 33,502.12 is: 50,253.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,074.40 : 150,113.42 = 33,502.12 : x
  2. Step 2: Convert to fraction form
    100,074.40/150,113.42 = 33,502.12/x
  3. Step 3: Cross multiply
    100,074.40x = 150,113.42 × 33,502.12
  4. Step 4: Simplify right side
    100,074.40x = 5,029,117,810.45
  5. Step 5: Solve for x
    x = 5,029,117,810.45/100,074.40
  6. Step 6: Final answer
    x = 50,253.79

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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.