Home / 77,433.33-116,128.92-21,260.14

Finding the Fourth Proportional to 77,433.33, 116,128.92 and 21,260.14

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Solution

The fourth proportional to 77,433.33, 116,128.92 and 21,260.14 is: 31,884.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,433.33 : 116,128.92 = 21,260.14 : x
  2. Step 2: Convert to fraction form
    77,433.33/116,128.92 = 21,260.14/x
  3. Step 3: Cross multiply
    77,433.33x = 116,128.92 × 21,260.14
  4. Step 4: Simplify right side
    77,433.33x = 2,468,916,886.65
  5. Step 5: Solve for x
    x = 2,468,916,886.65/77,433.33
  6. Step 6: Final answer
    x = 31,884.42

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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.