Home / 71,173.58-98,229.30-40,958.28

Finding the Fourth Proportional to 71,173.58, 98,229.30 and 40,958.28

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Solution

The fourth proportional to 71,173.58, 98,229.30 and 40,958.28 is: 56,528.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,173.58 : 98,229.30 = 40,958.28 : x
  2. Step 2: Convert to fraction form
    71,173.58/98,229.30 = 40,958.28/x
  3. Step 3: Cross multiply
    71,173.58x = 98,229.30 × 40,958.28
  4. Step 4: Simplify right side
    71,173.58x = 4,023,303,173.60
  5. Step 5: Solve for x
    x = 4,023,303,173.60/71,173.58
  6. Step 6: Final answer
    x = 56,528.04

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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.