Home / 84,694.16-116,883.24-48,890.72

Finding the Fourth Proportional to 84,694.16, 116,883.24 and 48,890.72

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Solution

The fourth proportional to 84,694.16, 116,883.24 and 48,890.72 is: 67,472.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,694.16 : 116,883.24 = 48,890.72 : x
  2. Step 2: Convert to fraction form
    84,694.16/116,883.24 = 48,890.72/x
  3. Step 3: Cross multiply
    84,694.16x = 116,883.24 × 48,890.72
  4. Step 4: Simplify right side
    84,694.16x = 5,714,505,759.53
  5. Step 5: Solve for x
    x = 5,714,505,759.53/84,694.16
  6. Step 6: Final answer
    x = 67,472.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.