Home / 75,600.32-113,334.72-31,199.36

Finding the Fourth Proportional to 75,600.32, 113,334.72 and 31,199.36

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Solution

The fourth proportional to 75,600.32, 113,334.72 and 31,199.36 is: 46,771.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,600.32 : 113,334.72 = 31,199.36 : x
  2. Step 2: Convert to fraction form
    75,600.32/113,334.72 = 31,199.36/x
  3. Step 3: Cross multiply
    75,600.32x = 113,334.72 × 31,199.36
  4. Step 4: Simplify right side
    75,600.32x = 3,535,970,729.78
  5. Step 5: Solve for x
    x = 3,535,970,729.78/75,600.32
  6. Step 6: Final answer
    x = 46,771.90

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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.