Home / 55,849.89-77,078.93-31,984.41

Finding the Fourth Proportional to 55,849.89, 77,078.93 and 31,984.41

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Solution

The fourth proportional to 55,849.89, 77,078.93 and 31,984.41 is: 44,141.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,849.89 : 77,078.93 = 31,984.41 : x
  2. Step 2: Convert to fraction form
    55,849.89/77,078.93 = 31,984.41/x
  3. Step 3: Cross multiply
    55,849.89x = 77,078.93 × 31,984.41
  4. Step 4: Simplify right side
    55,849.89x = 2,465,323,939.56
  5. Step 5: Solve for x
    x = 2,465,323,939.56/55,849.89
  6. Step 6: Final answer
    x = 44,141.97

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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.