Home / 77,898.33-116,867.21-21,738.43

Finding the Fourth Proportional to 77,898.33, 116,867.21 and 21,738.43

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Solution

The fourth proportional to 77,898.33, 116,867.21 and 21,738.43 is: 32,613.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,898.33 : 116,867.21 = 21,738.43 : x
  2. Step 2: Convert to fraction form
    77,898.33/116,867.21 = 21,738.43/x
  3. Step 3: Cross multiply
    77,898.33x = 116,867.21 × 21,738.43
  4. Step 4: Simplify right side
    77,898.33x = 2,540,509,762.41
  5. Step 5: Solve for x
    x = 2,540,509,762.41/77,898.33
  6. Step 6: Final answer
    x = 32,613.15

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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.