Home / 79,949.79-110,328.92-43,650

Finding the Fourth Proportional to 79,949.79, 110,328.92 and 43,650

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Solution

The fourth proportional to 79,949.79, 110,328.92 and 43,650 is: 60,236.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,949.79 : 110,328.92 = 43,650 : x
  2. Step 2: Convert to fraction form
    79,949.79/110,328.92 = 43,650/x
  3. Step 3: Cross multiply
    79,949.79x = 110,328.92 × 43,650
  4. Step 4: Simplify right side
    79,949.79x = 4,815,857,358
  5. Step 5: Solve for x
    x = 4,815,857,358/79,949.79
  6. Step 6: Final answer
    x = 60,236.02

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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.