Home / 87,183.64-120,313.50-48,937.84

Finding the Fourth Proportional to 87,183.64, 120,313.50 and 48,937.84

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Solution

The fourth proportional to 87,183.64, 120,313.50 and 48,937.84 is: 67,534.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,183.64 : 120,313.50 = 48,937.84 : x
  2. Step 2: Convert to fraction form
    87,183.64/120,313.50 = 48,937.84/x
  3. Step 3: Cross multiply
    87,183.64x = 120,313.50 × 48,937.84
  4. Step 4: Simplify right side
    87,183.64x = 5,887,882,812.84
  5. Step 5: Solve for x
    x = 5,887,882,812.84/87,183.64
  6. Step 6: Final answer
    x = 67,534.26

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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.