Home / 56,083.38-77,400.53-30,932.88

Finding the Fourth Proportional to 56,083.38, 77,400.53 and 30,932.88

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Solution

The fourth proportional to 56,083.38, 77,400.53 and 30,932.88 is: 42,690.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,083.38 : 77,400.53 = 30,932.88 : x
  2. Step 2: Convert to fraction form
    56,083.38/77,400.53 = 30,932.88/x
  3. Step 3: Cross multiply
    56,083.38x = 77,400.53 × 30,932.88
  4. Step 4: Simplify right side
    56,083.38x = 2,394,221,306.43
  5. Step 5: Solve for x
    x = 2,394,221,306.43/56,083.38
  6. Step 6: Final answer
    x = 42,690.39

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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.