Home / 50,772.06-70,063.16-28,109.46

Finding the Fourth Proportional to 50,772.06, 70,063.16 and 28,109.46

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Solution

The fourth proportional to 50,772.06, 70,063.16 and 28,109.46 is: 38,789.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,772.06 : 70,063.16 = 28,109.46 : x
  2. Step 2: Convert to fraction form
    50,772.06/70,063.16 = 28,109.46/x
  3. Step 3: Cross multiply
    50,772.06x = 70,063.16 × 28,109.46
  4. Step 4: Simplify right side
    50,772.06x = 1,969,437,593.49
  5. Step 5: Solve for x
    x = 1,969,437,593.49/50,772.06
  6. Step 6: Final answer
    x = 38,789.79

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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.