Home / 73,215.20-109,944.26-45,688.16

Finding the Fourth Proportional to 73,215.20, 109,944.26 and 45,688.16

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Solution

The fourth proportional to 73,215.20, 109,944.26 and 45,688.16 is: 68,608.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,215.20 : 109,944.26 = 45,688.16 : x
  2. Step 2: Convert to fraction form
    73,215.20/109,944.26 = 45,688.16/x
  3. Step 3: Cross multiply
    73,215.20x = 109,944.26 × 45,688.16
  4. Step 4: Simplify right side
    73,215.20x = 5,023,150,941.96
  5. Step 5: Solve for x
    x = 5,023,150,941.96/73,215.20
  6. Step 6: Final answer
    x = 68,608.03

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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.