Home / 77,733.05-107,286.29-48,674.91

Finding the Fourth Proportional to 77,733.05, 107,286.29 and 48,674.91

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Solution

The fourth proportional to 77,733.05, 107,286.29 and 48,674.91 is: 67,180.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,733.05 : 107,286.29 = 48,674.91 : x
  2. Step 2: Convert to fraction form
    77,733.05/107,286.29 = 48,674.91/x
  3. Step 3: Cross multiply
    77,733.05x = 107,286.29 × 48,674.91
  4. Step 4: Simplify right side
    77,733.05x = 5,222,149,973.55
  5. Step 5: Solve for x
    x = 5,222,149,973.55/77,733.05
  6. Step 6: Final answer
    x = 67,180.57

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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.