Home / 77,093.02-115,647.30-20,934.04

Finding the Fourth Proportional to 77,093.02, 115,647.30 and 20,934.04

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Solution

The fourth proportional to 77,093.02, 115,647.30 and 20,934.04 is: 31,403.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,093.02 : 115,647.30 = 20,934.04 : x
  2. Step 2: Convert to fraction form
    77,093.02/115,647.30 = 20,934.04/x
  3. Step 3: Cross multiply
    77,093.02x = 115,647.30 × 20,934.04
  4. Step 4: Simplify right side
    77,093.02x = 2,420,965,204.09
  5. Step 5: Solve for x
    x = 2,420,965,204.09/77,093.02
  6. Step 6: Final answer
    x = 31,403.17

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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.