Home / 55,737.09-76,917.33-31,864.41

Finding the Fourth Proportional to 55,737.09, 76,917.33 and 31,864.41

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Solution

The fourth proportional to 55,737.09, 76,917.33 and 31,864.41 is: 43,972.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,737.09 : 76,917.33 = 31,864.41 : x
  2. Step 2: Convert to fraction form
    55,737.09/76,917.33 = 31,864.41/x
  3. Step 3: Cross multiply
    55,737.09x = 76,917.33 × 31,864.41
  4. Step 4: Simplify right side
    55,737.09x = 2,450,925,339.23
  5. Step 5: Solve for x
    x = 2,450,925,339.23/55,737.09
  6. Step 6: Final answer
    x = 43,972.97

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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.