Home / 57,724.60-86,586.90-43,727.80

Finding the Fourth Proportional to 57,724.60, 86,586.90 and 43,727.80

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Solution

The fourth proportional to 57,724.60, 86,586.90 and 43,727.80 is: 65,591.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,724.60 : 86,586.90 = 43,727.80 : x
  2. Step 2: Convert to fraction form
    57,724.60/86,586.90 = 43,727.80/x
  3. Step 3: Cross multiply
    57,724.60x = 86,586.90 × 43,727.80
  4. Step 4: Simplify right side
    57,724.60x = 3,786,254,645.82
  5. Step 5: Solve for x
    x = 3,786,254,645.82/57,724.60
  6. Step 6: Final answer
    x = 65,591.70

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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.