Home / 50,972.05-70,342.37-28,313.14

Finding the Fourth Proportional to 50,972.05, 70,342.37 and 28,313.14

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Solution

The fourth proportional to 50,972.05, 70,342.37 and 28,313.14 is: 39,072.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,972.05 : 70,342.37 = 28,313.14 : x
  2. Step 2: Convert to fraction form
    50,972.05/70,342.37 = 28,313.14/x
  3. Step 3: Cross multiply
    50,972.05x = 70,342.37 × 28,313.14
  4. Step 4: Simplify right side
    50,972.05x = 1,991,613,369.74
  5. Step 5: Solve for x
    x = 1,991,613,369.74/50,972.05
  6. Step 6: Final answer
    x = 39,072.66

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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.