Home / 52,133.82-78,200.75-18,853.14

Finding the Fourth Proportional to 52,133.82, 78,200.75 and 18,853.14

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Solution

The fourth proportional to 52,133.82, 78,200.75 and 18,853.14 is: 28,279.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,133.82 : 78,200.75 = 18,853.14 : x
  2. Step 2: Convert to fraction form
    52,133.82/78,200.75 = 18,853.14/x
  3. Step 3: Cross multiply
    52,133.82x = 78,200.75 × 18,853.14
  4. Step 4: Simplify right side
    52,133.82x = 1,474,329,593.59
  5. Step 5: Solve for x
    x = 1,474,329,593.59/52,133.82
  6. Step 6: Final answer
    x = 28,279.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.