Home / 57,995.78-87,027.12-31,341.83

Finding the Fourth Proportional to 57,995.78, 87,027.12 and 31,341.83

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Solution

The fourth proportional to 57,995.78, 87,027.12 and 31,341.83 is: 47,030.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,995.78 : 87,027.12 = 31,341.83 : x
  2. Step 2: Convert to fraction form
    57,995.78/87,027.12 = 31,341.83/x
  3. Step 3: Cross multiply
    57,995.78x = 87,027.12 × 31,341.83
  4. Step 4: Simplify right side
    57,995.78x = 2,727,589,200.43
  5. Step 5: Solve for x
    x = 2,727,589,200.43/57,995.78
  6. Step 6: Final answer
    x = 47,030.82

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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.