Home / 77,664.43-116,411.37-44,311.78

Finding the Fourth Proportional to 77,664.43, 116,411.37 and 44,311.78

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Solution

The fourth proportional to 77,664.43, 116,411.37 and 44,311.78 is: 66,419.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,664.43 : 116,411.37 = 44,311.78 : x
  2. Step 2: Convert to fraction form
    77,664.43/116,411.37 = 44,311.78/x
  3. Step 3: Cross multiply
    77,664.43x = 116,411.37 × 44,311.78
  4. Step 4: Simplify right side
    77,664.43x = 5,158,395,016.94
  5. Step 5: Solve for x
    x = 5,158,395,016.94/77,664.43
  6. Step 6: Final answer
    x = 66,419.02

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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.