Home / 67,119.12-100,756.45-36,015.12

Finding the Fourth Proportional to 67,119.12, 100,756.45 and 36,015.12

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Solution

The fourth proportional to 67,119.12, 100,756.45 and 36,015.12 is: 54,064.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,119.12 : 100,756.45 = 36,015.12 : x
  2. Step 2: Convert to fraction form
    67,119.12/100,756.45 = 36,015.12/x
  3. Step 3: Cross multiply
    67,119.12x = 100,756.45 × 36,015.12
  4. Step 4: Simplify right side
    67,119.12x = 3,628,755,637.52
  5. Step 5: Solve for x
    x = 3,628,755,637.52/67,119.12
  6. Step 6: Final answer
    x = 54,064.41

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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.