Home / 51,738.39-77,154.82-51,265.46

Finding the Fourth Proportional to 51,738.39, 77,154.82 and 51,265.46

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Solution

The fourth proportional to 51,738.39, 77,154.82 and 51,265.46 is: 76,449.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,738.39 : 77,154.82 = 51,265.46 : x
  2. Step 2: Convert to fraction form
    51,738.39/77,154.82 = 51,265.46/x
  3. Step 3: Cross multiply
    51,738.39x = 77,154.82 × 51,265.46
  4. Step 4: Simplify right side
    51,738.39x = 3,955,377,403.24
  5. Step 5: Solve for x
    x = 3,955,377,403.24/51,738.39
  6. Step 6: Final answer
    x = 76,449.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.