Home / 55,634.94-76,776.19-31,761.14

Finding the Fourth Proportional to 55,634.94, 76,776.19 and 31,761.14

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Solution

The fourth proportional to 55,634.94, 76,776.19 and 31,761.14 is: 43,830.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,634.94 : 76,776.19 = 31,761.14 : x
  2. Step 2: Convert to fraction form
    55,634.94/76,776.19 = 31,761.14/x
  3. Step 3: Cross multiply
    55,634.94x = 76,776.19 × 31,761.14
  4. Step 4: Simplify right side
    55,634.94x = 2,438,498,855.97
  5. Step 5: Solve for x
    x = 2,438,498,855.97/55,634.94
  6. Step 6: Final answer
    x = 43,830.35

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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.