Home / 55,590.75-83,394.77-18,663.39

Finding the Fourth Proportional to 55,590.75, 83,394.77 and 18,663.39

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Solution

The fourth proportional to 55,590.75, 83,394.77 and 18,663.39 is: 27,997.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,590.75 : 83,394.77 = 18,663.39 : x
  2. Step 2: Convert to fraction form
    55,590.75/83,394.77 = 18,663.39/x
  3. Step 3: Cross multiply
    55,590.75x = 83,394.77 × 18,663.39
  4. Step 4: Simplify right side
    55,590.75x = 1,556,429,023.15
  5. Step 5: Solve for x
    x = 1,556,429,023.15/55,590.75
  6. Step 6: Final answer
    x = 27,997.99

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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.