Home / 77,023.20-115,511.76-40,067.04

Finding the Fourth Proportional to 77,023.20, 115,511.76 and 40,067.04

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Solution

The fourth proportional to 77,023.20, 115,511.76 and 40,067.04 is: 60,088.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,023.20 : 115,511.76 = 40,067.04 : x
  2. Step 2: Convert to fraction form
    77,023.20/115,511.76 = 40,067.04/x
  3. Step 3: Cross multiply
    77,023.20x = 115,511.76 × 40,067.04
  4. Step 4: Simplify right side
    77,023.20x = 4,628,214,308.39
  5. Step 5: Solve for x
    x = 4,628,214,308.39/77,023.20
  6. Step 6: Final answer
    x = 60,088.57

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1.5x scale

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.