Home / 75,683.28-113,524.94-31,261.20

Finding the Fourth Proportional to 75,683.28, 113,524.94 and 31,261.20

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Solution

The fourth proportional to 75,683.28, 113,524.94 and 31,261.20 is: 46,891.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,683.28 : 113,524.94 = 31,261.20 : x
  2. Step 2: Convert to fraction form
    75,683.28/113,524.94 = 31,261.20/x
  3. Step 3: Cross multiply
    75,683.28x = 113,524.94 × 31,261.20
  4. Step 4: Simplify right side
    75,683.28x = 3,548,925,698.02
  5. Step 5: Solve for x
    x = 3,548,925,698.02/75,683.28
  6. Step 6: Final answer
    x = 46,891.81

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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.