Home / 55,732.40-76,910.71-31,859.61

Finding the Fourth Proportional to 55,732.40, 76,910.71 and 31,859.61

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Solution

The fourth proportional to 55,732.40, 76,910.71 and 31,859.61 is: 43,966.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,732.40 : 76,910.71 = 31,859.61 : x
  2. Step 2: Convert to fraction form
    55,732.40/76,910.71 = 31,859.61/x
  3. Step 3: Cross multiply
    55,732.40x = 76,910.71 × 31,859.61
  4. Step 4: Simplify right side
    55,732.40x = 2,450,345,066.13
  5. Step 5: Solve for x
    x = 2,450,345,066.13/55,732.40
  6. Step 6: Final answer
    x = 43,966.26

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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.