Home / 77,933.43-116,943.80-31,189.95

Finding the Fourth Proportional to 77,933.43, 116,943.80 and 31,189.95

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Solution

The fourth proportional to 77,933.43, 116,943.80 and 31,189.95 is: 46,802.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,933.43 : 116,943.80 = 31,189.95 : x
  2. Step 2: Convert to fraction form
    77,933.43/116,943.80 = 31,189.95/x
  3. Step 3: Cross multiply
    77,933.43x = 116,943.80 × 31,189.95
  4. Step 4: Simplify right side
    77,933.43x = 3,647,471,118.86
  5. Step 5: Solve for x
    x = 3,647,471,118.86/77,933.43
  6. Step 6: Final answer
    x = 46,802.39

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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.