Home / 90,847.24-125,340.02-55,025.80

Finding the Fourth Proportional to 90,847.24, 125,340.02 and 55,025.80

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Solution

The fourth proportional to 90,847.24, 125,340.02 and 55,025.80 is: 75,917.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,847.24 : 125,340.02 = 55,025.80 : x
  2. Step 2: Convert to fraction form
    90,847.24/125,340.02 = 55,025.80/x
  3. Step 3: Cross multiply
    90,847.24x = 125,340.02 × 55,025.80
  4. Step 4: Simplify right side
    90,847.24x = 6,896,934,872.52
  5. Step 5: Solve for x
    x = 6,896,934,872.52/90,847.24
  6. Step 6: Final answer
    x = 75,917.94

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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.