Home / 56,245.04-77,680.92-43,650.64

Finding the Fourth Proportional to 56,245.04, 77,680.92 and 43,650.64

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Solution

The fourth proportional to 56,245.04, 77,680.92 and 43,650.64 is: 60,286.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,245.04 : 77,680.92 = 43,650.64 : x
  2. Step 2: Convert to fraction form
    56,245.04/77,680.92 = 43,650.64/x
  3. Step 3: Cross multiply
    56,245.04x = 77,680.92 × 43,650.64
  4. Step 4: Simplify right side
    56,245.04x = 3,390,821,873.79
  5. Step 5: Solve for x
    x = 3,390,821,873.79/56,245.04
  6. Step 6: Final answer
    x = 60,286.59

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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.