Home / 50,743.70-70,054.46-30,605.66

Finding the Fourth Proportional to 50,743.70, 70,054.46 and 30,605.66

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Solution

The fourth proportional to 50,743.70, 70,054.46 and 30,605.66 is: 42,252.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,743.70 : 70,054.46 = 30,605.66 : x
  2. Step 2: Convert to fraction form
    50,743.70/70,054.46 = 30,605.66/x
  3. Step 3: Cross multiply
    50,743.70x = 70,054.46 × 30,605.66
  4. Step 4: Simplify right side
    50,743.70x = 2,144,062,984.24
  5. Step 5: Solve for x
    x = 2,144,062,984.24/50,743.70
  6. Step 6: Final answer
    x = 42,252.79

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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.