Home / 86,565.03-129,834.51-27,393

Finding the Fourth Proportional to 86,565.03, 129,834.51 and 27,393

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Solution

The fourth proportional to 86,565.03, 129,834.51 and 27,393 is: 41,085.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,565.03 : 129,834.51 = 27,393 : x
  2. Step 2: Convert to fraction form
    86,565.03/129,834.51 = 27,393/x
  3. Step 3: Cross multiply
    86,565.03x = 129,834.51 × 27,393
  4. Step 4: Simplify right side
    86,565.03x = 3,556,556,732.43
  5. Step 5: Solve for x
    x = 3,556,556,732.43/86,565.03
  6. Step 6: Final answer
    x = 41,085.38

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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.