Home / 56,255.94-77,634.33-30,763.92

Finding the Fourth Proportional to 56,255.94, 77,634.33 and 30,763.92

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Solution

The fourth proportional to 56,255.94, 77,634.33 and 30,763.92 is: 42,454.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,255.94 : 77,634.33 = 30,763.92 : x
  2. Step 2: Convert to fraction form
    56,255.94/77,634.33 = 30,763.92/x
  3. Step 3: Cross multiply
    56,255.94x = 77,634.33 × 30,763.92
  4. Step 4: Simplify right side
    56,255.94x = 2,388,336,317.37
  5. Step 5: Solve for x
    x = 2,388,336,317.37/56,255.94
  6. Step 6: Final answer
    x = 42,454.83

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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.