Home / 52,882.16-72,979.38-30,221.37

Finding the Fourth Proportional to 52,882.16, 72,979.38 and 30,221.37

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Solution

The fourth proportional to 52,882.16, 72,979.38 and 30,221.37 is: 41,706.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,882.16 : 72,979.38 = 30,221.37 : x
  2. Step 2: Convert to fraction form
    52,882.16/72,979.38 = 30,221.37/x
  3. Step 3: Cross multiply
    52,882.16x = 72,979.38 × 30,221.37
  4. Step 4: Simplify right side
    52,882.16x = 2,205,536,845.35
  5. Step 5: Solve for x
    x = 2,205,536,845.35/52,882.16
  6. Step 6: Final answer
    x = 41,706.64

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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.