Home / 81,995.15-123,023.70-32,110.89

Finding the Fourth Proportional to 81,995.15, 123,023.70 and 32,110.89

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Solution

The fourth proportional to 81,995.15, 123,023.70 and 32,110.89 is: 48,178.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,995.15 : 123,023.70 = 32,110.89 : x
  2. Step 2: Convert to fraction form
    81,995.15/123,023.70 = 32,110.89/x
  3. Step 3: Cross multiply
    81,995.15x = 123,023.70 × 32,110.89
  4. Step 4: Simplify right side
    81,995.15x = 3,950,400,498.09
  5. Step 5: Solve for x
    x = 3,950,400,498.09/81,995.15
  6. Step 6: Final answer
    x = 48,178.47

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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.