Home / 100,042.11-149,924.66-50,058.63

Finding the Fourth Proportional to 100,042.11, 149,924.66 and 50,058.63

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Solution

The fourth proportional to 100,042.11, 149,924.66 and 50,058.63 is: 75,018.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,042.11 : 149,924.66 = 50,058.63 : x
  2. Step 2: Convert to fraction form
    100,042.11/149,924.66 = 50,058.63/x
  3. Step 3: Cross multiply
    100,042.11x = 149,924.66 × 50,058.63
  4. Step 4: Simplify right side
    100,042.11x = 7,505,022,832.52
  5. Step 5: Solve for x
    x = 7,505,022,832.52/100,042.11
  6. Step 6: Final answer
    x = 75,018.64

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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.