Home / 55,664.88-76,818.44-30,514.38

Finding the Fourth Proportional to 55,664.88, 76,818.44 and 30,514.38

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Solution

The fourth proportional to 55,664.88, 76,818.44 and 30,514.38 is: 42,110.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,664.88 : 76,818.44 = 30,514.38 : x
  2. Step 2: Convert to fraction form
    55,664.88/76,818.44 = 30,514.38/x
  3. Step 3: Cross multiply
    55,664.88x = 76,818.44 × 30,514.38
  4. Step 4: Simplify right side
    55,664.88x = 2,344,067,069.17
  5. Step 5: Solve for x
    x = 2,344,067,069.17/55,664.88
  6. Step 6: Final answer
    x = 42,110.34

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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.