Home / 77,947.60-116,802.44-40,519.83

Finding the Fourth Proportional to 77,947.60, 116,802.44 and 40,519.83

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Solution

The fourth proportional to 77,947.60, 116,802.44 and 40,519.83 is: 60,717.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,947.60 : 116,802.44 = 40,519.83 : x
  2. Step 2: Convert to fraction form
    77,947.60/116,802.44 = 40,519.83/x
  3. Step 3: Cross multiply
    77,947.60x = 116,802.44 × 40,519.83
  4. Step 4: Simplify right side
    77,947.60x = 4,732,815,012.39
  5. Step 5: Solve for x
    x = 4,732,815,012.39/77,947.60
  6. Step 6: Final answer
    x = 60,717.91

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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.