Home / 52,166.91-71,979.26-30,953.07

Finding the Fourth Proportional to 52,166.91, 71,979.26 and 30,953.07

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Solution

The fourth proportional to 52,166.91, 71,979.26 and 30,953.07 is: 42,708.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,166.91 : 71,979.26 = 30,953.07 : x
  2. Step 2: Convert to fraction form
    52,166.91/71,979.26 = 30,953.07/x
  3. Step 3: Cross multiply
    52,166.91x = 71,979.26 × 30,953.07
  4. Step 4: Simplify right side
    52,166.91x = 2,227,978,918.56
  5. Step 5: Solve for x
    x = 2,227,978,918.56/52,166.91
  6. Step 6: Final answer
    x = 42,708.66

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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.