Home / 77,734.10-116,604.80-25,147.68

Finding the Fourth Proportional to 77,734.10, 116,604.80 and 25,147.68

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Solution

The fourth proportional to 77,734.10, 116,604.80 and 25,147.68 is: 37,722.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,734.10 : 116,604.80 = 25,147.68 : x
  2. Step 2: Convert to fraction form
    77,734.10/116,604.80 = 25,147.68/x
  3. Step 3: Cross multiply
    77,734.10x = 116,604.80 × 25,147.68
  4. Step 4: Simplify right side
    77,734.10x = 2,932,340,196.86
  5. Step 5: Solve for x
    x = 2,932,340,196.86/77,734.10
  6. Step 6: Final answer
    x = 37,722.70

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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.