Home / 92,961.24-128,285.20-50,519.92

Finding the Fourth Proportional to 92,961.24, 128,285.20 and 50,519.92

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Solution

The fourth proportional to 92,961.24, 128,285.20 and 50,519.92 is: 69,716.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,961.24 : 128,285.20 = 50,519.92 : x
  2. Step 2: Convert to fraction form
    92,961.24/128,285.20 = 50,519.92/x
  3. Step 3: Cross multiply
    92,961.24x = 128,285.20 × 50,519.92
  4. Step 4: Simplify right side
    92,961.24x = 6,480,958,041.18
  5. Step 5: Solve for x
    x = 6,480,958,041.18/92,961.24
  6. Step 6: Final answer
    x = 69,716.78

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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.