Home / 57,272.91-85,964.09-35,129.58

Finding the Fourth Proportional to 57,272.91, 85,964.09 and 35,129.58

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Solution

The fourth proportional to 57,272.91, 85,964.09 and 35,129.58 is: 52,727.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,272.91 : 85,964.09 = 35,129.58 : x
  2. Step 2: Convert to fraction form
    57,272.91/85,964.09 = 35,129.58/x
  3. Step 3: Cross multiply
    57,272.91x = 85,964.09 × 35,129.58
  4. Step 4: Simplify right side
    57,272.91x = 3,019,882,201.13
  5. Step 5: Solve for x
    x = 3,019,882,201.13/57,272.91
  6. Step 6: Final answer
    x = 52,727.93

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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.