Home / 55,732.02-76,910.19-31,859.21

Finding the Fourth Proportional to 55,732.02, 76,910.19 and 31,859.21

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Solution

The fourth proportional to 55,732.02, 76,910.19 and 31,859.21 is: 43,965.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,732.02 : 76,910.19 = 31,859.21 : x
  2. Step 2: Convert to fraction form
    55,732.02/76,910.19 = 31,859.21/x
  3. Step 3: Cross multiply
    55,732.02x = 76,910.19 × 31,859.21
  4. Step 4: Simplify right side
    55,732.02x = 2,450,297,894.35
  5. Step 5: Solve for x
    x = 2,450,297,894.35/55,732.02
  6. Step 6: Final answer
    x = 43,965.71

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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.