Home / 100,046.07-150,069.36-40,881.75

Finding the Fourth Proportional to 100,046.07, 150,069.36 and 40,881.75

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Solution

The fourth proportional to 100,046.07, 150,069.36 and 40,881.75 is: 61,322.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,046.07 : 150,069.36 = 40,881.75 : x
  2. Step 2: Convert to fraction form
    100,046.07/150,069.36 = 40,881.75/x
  3. Step 3: Cross multiply
    100,046.07x = 150,069.36 × 40,881.75
  4. Step 4: Simplify right side
    100,046.07x = 6,135,098,058.18
  5. Step 5: Solve for x
    x = 6,135,098,058.18/100,046.07
  6. Step 6: Final answer
    x = 61,322.73

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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.