Home / 78,849.91-108,814.94-43,043.23

Finding the Fourth Proportional to 78,849.91, 108,814.94 and 43,043.23

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Solution

The fourth proportional to 78,849.91, 108,814.94 and 43,043.23 is: 59,400.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,849.91 : 108,814.94 = 43,043.23 : x
  2. Step 2: Convert to fraction form
    78,849.91/108,814.94 = 43,043.23/x
  3. Step 3: Cross multiply
    78,849.91x = 108,814.94 × 43,043.23
  4. Step 4: Simplify right side
    78,849.91x = 4,683,746,274.64
  5. Step 5: Solve for x
    x = 4,683,746,274.64/78,849.91
  6. Step 6: Final answer
    x = 59,400.78

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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.