Home / 55,732.15-76,910.36-31,859.36

Finding the Fourth Proportional to 55,732.15, 76,910.36 and 31,859.36

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Solution

The fourth proportional to 55,732.15, 76,910.36 and 31,859.36 is: 43,965.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,732.15 : 76,910.36 = 31,859.36 : x
  2. Step 2: Convert to fraction form
    55,732.15/76,910.36 = 31,859.36/x
  3. Step 3: Cross multiply
    55,732.15x = 76,910.36 × 31,859.36
  4. Step 4: Simplify right side
    55,732.15x = 2,450,314,846.97
  5. Step 5: Solve for x
    x = 2,450,314,846.97/55,732.15
  6. Step 6: Final answer
    x = 43,965.91

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1.5x scale

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.