Home / 86,929.08-130,387.14-27,771

Finding the Fourth Proportional to 86,929.08, 130,387.14 and 27,771

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Solution

The fourth proportional to 86,929.08, 130,387.14 and 27,771 is: 41,654.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,929.08 : 130,387.14 = 27,771 : x
  2. Step 2: Convert to fraction form
    86,929.08/130,387.14 = 27,771/x
  3. Step 3: Cross multiply
    86,929.08x = 130,387.14 × 27,771
  4. Step 4: Simplify right side
    86,929.08x = 3,620,981,264.94
  5. Step 5: Solve for x
    x = 3,620,981,264.94/86,929.08
  6. Step 6: Final answer
    x = 41,654.43

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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.