Home / 75,113.37-103,656.22-43,282.20

Finding the Fourth Proportional to 75,113.37, 103,656.22 and 43,282.20

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Solution

The fourth proportional to 75,113.37, 103,656.22 and 43,282.20 is: 59,729.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,113.37 : 103,656.22 = 43,282.20 : x
  2. Step 2: Convert to fraction form
    75,113.37/103,656.22 = 43,282.20/x
  3. Step 3: Cross multiply
    75,113.37x = 103,656.22 × 43,282.20
  4. Step 4: Simplify right side
    75,113.37x = 4,486,469,245.28
  5. Step 5: Solve for x
    x = 4,486,469,245.28/75,113.37
  6. Step 6: Final answer
    x = 59,729.30

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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.