Home / 55,860.23-77,076.09-31,331.83

Finding the Fourth Proportional to 55,860.23, 77,076.09 and 31,331.83

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Solution

The fourth proportional to 55,860.23, 77,076.09 and 31,331.83 is: 43,231.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,860.23 : 77,076.09 = 31,331.83 : x
  2. Step 2: Convert to fraction form
    55,860.23/77,076.09 = 31,331.83/x
  3. Step 3: Cross multiply
    55,860.23x = 77,076.09 × 31,331.83
  4. Step 4: Simplify right side
    55,860.23x = 2,414,934,948.94
  5. Step 5: Solve for x
    x = 2,414,934,948.94/55,860.23
  6. Step 6: Final answer
    x = 43,231.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.