Home / 77,697.04-107,183.10-49,052.20

Finding the Fourth Proportional to 77,697.04, 107,183.10 and 49,052.20

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Solution

The fourth proportional to 77,697.04, 107,183.10 and 49,052.20 is: 67,667.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,697.04 : 107,183.10 = 49,052.20 : x
  2. Step 2: Convert to fraction form
    77,697.04/107,183.10 = 49,052.20/x
  3. Step 3: Cross multiply
    77,697.04x = 107,183.10 × 49,052.20
  4. Step 4: Simplify right side
    77,697.04x = 5,257,566,857.82
  5. Step 5: Solve for x
    x = 5,257,566,857.82/77,697.04
  6. Step 6: Final answer
    x = 67,667.53

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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.