Home / 77,932.06-116,949.87-28,684.06

Finding the Fourth Proportional to 77,932.06, 116,949.87 and 28,684.06

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Solution

The fourth proportional to 77,932.06, 116,949.87 and 28,684.06 is: 43,045.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,932.06 : 116,949.87 = 28,684.06 : x
  2. Step 2: Convert to fraction form
    77,932.06/116,949.87 = 28,684.06/x
  3. Step 3: Cross multiply
    77,932.06x = 116,949.87 × 28,684.06
  4. Step 4: Simplify right side
    77,932.06x = 3,354,597,088.07
  5. Step 5: Solve for x
    x = 3,354,597,088.07/77,932.06
  6. Step 6: Final answer
    x = 43,045.15

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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.