Home / 87,845.67-121,227.08-47,559.44

Finding the Fourth Proportional to 87,845.67, 121,227.08 and 47,559.44

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Solution

The fourth proportional to 87,845.67, 121,227.08 and 47,559.44 is: 65,632.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,845.67 : 121,227.08 = 47,559.44 : x
  2. Step 2: Convert to fraction form
    87,845.67/121,227.08 = 47,559.44/x
  3. Step 3: Cross multiply
    87,845.67x = 121,227.08 × 47,559.44
  4. Step 4: Simplify right side
    87,845.67x = 5,765,492,102.91
  5. Step 5: Solve for x
    x = 5,765,492,102.91/87,845.67
  6. Step 6: Final answer
    x = 65,632.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.