Home / 73,185.66-109,778.46-20,595.15

Finding the Fourth Proportional to 73,185.66, 109,778.46 and 20,595.15

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Solution

The fourth proportional to 73,185.66, 109,778.46 and 20,595.15 is: 30,892.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,185.66 : 109,778.46 = 20,595.15 : x
  2. Step 2: Convert to fraction form
    73,185.66/109,778.46 = 20,595.15/x
  3. Step 3: Cross multiply
    73,185.66x = 109,778.46 × 20,595.15
  4. Step 4: Simplify right side
    73,185.66x = 2,260,903,773.24
  5. Step 5: Solve for x
    x = 2,260,903,773.24/73,185.66
  6. Step 6: Final answer
    x = 30,892.72

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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.