Home / 77,325-115,904.58-50,660.92

Finding the Fourth Proportional to 77,325, 115,904.58 and 50,660.92

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Solution

The fourth proportional to 77,325, 115,904.58 and 50,660.92 is: 75,937.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,325 : 115,904.58 = 50,660.92 : x
  2. Step 2: Convert to fraction form
    77,325/115,904.58 = 50,660.92/x
  3. Step 3: Cross multiply
    77,325x = 115,904.58 × 50,660.92
  4. Step 4: Simplify right side
    77,325x = 5,871,832,655.01
  5. Step 5: Solve for x
    x = 5,871,832,655.01/77,325
  6. Step 6: Final answer
    x = 75,937.05

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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.