Home / 57,777.54-86,665.61-18,335.00

Finding the Fourth Proportional to 57,777.54, 86,665.61 and 18,335.00

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Solution

The fourth proportional to 57,777.54, 86,665.61 and 18,335.00 is: 27,502.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,777.54 : 86,665.61 = 18,335.00 : x
  2. Step 2: Convert to fraction form
    57,777.54/86,665.61 = 18,335.00/x
  3. Step 3: Cross multiply
    57,777.54x = 86,665.61 × 18,335.00
  4. Step 4: Simplify right side
    57,777.54x = 1,589,013,571.86
  5. Step 5: Solve for x
    x = 1,589,013,571.86/57,777.54
  6. Step 6: Final answer
    x = 27,502.27

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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.