Home / 100,044.28-149,999.77-55,086.81

Finding the Fourth Proportional to 100,044.28, 149,999.77 and 55,086.81

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Solution

The fourth proportional to 100,044.28, 149,999.77 and 55,086.81 is: 82,593.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,044.28 : 149,999.77 = 55,086.81 : x
  2. Step 2: Convert to fraction form
    100,044.28/149,999.77 = 55,086.81/x
  3. Step 3: Cross multiply
    100,044.28x = 149,999.77 × 55,086.81
  4. Step 4: Simplify right side
    100,044.28x = 8,263,008,909.01
  5. Step 5: Solve for x
    x = 8,263,008,909.01/100,044.28
  6. Step 6: Final answer
    x = 82,593.51

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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.