Home / 77,498.20-106,934.78-45,662.77

Finding the Fourth Proportional to 77,498.20, 106,934.78 and 45,662.77

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Solution

The fourth proportional to 77,498.20, 106,934.78 and 45,662.77 is: 63,007.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,498.20 : 106,934.78 = 45,662.77 : x
  2. Step 2: Convert to fraction form
    77,498.20/106,934.78 = 45,662.77/x
  3. Step 3: Cross multiply
    77,498.20x = 106,934.78 × 45,662.77
  4. Step 4: Simplify right side
    77,498.20x = 4,882,938,511.97
  5. Step 5: Solve for x
    x = 4,882,938,511.97/77,498.20
  6. Step 6: Final answer
    x = 63,007.12

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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.