Home / 75,680.27-113,520.44-31,258.20

Finding the Fourth Proportional to 75,680.27, 113,520.44 and 31,258.20

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Solution

The fourth proportional to 75,680.27, 113,520.44 and 31,258.20 is: 46,887.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,680.27 : 113,520.44 = 31,258.20 : x
  2. Step 2: Convert to fraction form
    75,680.27/113,520.44 = 31,258.20/x
  3. Step 3: Cross multiply
    75,680.27x = 113,520.44 × 31,258.20
  4. Step 4: Simplify right side
    75,680.27x = 3,548,444,945.63
  5. Step 5: Solve for x
    x = 3,548,444,945.63/75,680.27
  6. Step 6: Final answer
    x = 46,887.32

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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.