Home / 52,072.59-78,092.73-18,788.32

Finding the Fourth Proportional to 52,072.59, 78,092.73 and 18,788.32

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Solution

The fourth proportional to 52,072.59, 78,092.73 and 18,788.32 is: 28,176.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,072.59 : 78,092.73 = 18,788.32 : x
  2. Step 2: Convert to fraction form
    52,072.59/78,092.73 = 18,788.32/x
  3. Step 3: Cross multiply
    52,072.59x = 78,092.73 × 18,788.32
  4. Step 4: Simplify right side
    52,072.59x = 1,467,231,200.91
  5. Step 5: Solve for x
    x = 1,467,231,200.91/52,072.59
  6. Step 6: Final answer
    x = 28,176.65

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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.