Home / 77,519.32-116,291.19-33,146.32

Finding the Fourth Proportional to 77,519.32, 116,291.19 and 33,146.32

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Solution

The fourth proportional to 77,519.32, 116,291.19 and 33,146.32 is: 49,724.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,519.32 : 116,291.19 = 33,146.32 : x
  2. Step 2: Convert to fraction form
    77,519.32/116,291.19 = 33,146.32/x
  3. Step 3: Cross multiply
    77,519.32x = 116,291.19 × 33,146.32
  4. Step 4: Simplify right side
    77,519.32x = 3,854,624,996.92
  5. Step 5: Solve for x
    x = 3,854,624,996.92/77,519.32
  6. Step 6: Final answer
    x = 49,724.70

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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.