Home / 77,511.16-116,201.13-30,738.52

Finding the Fourth Proportional to 77,511.16, 116,201.13 and 30,738.52

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Solution

The fourth proportional to 77,511.16, 116,201.13 and 30,738.52 is: 46,081.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,511.16 : 116,201.13 = 30,738.52 : x
  2. Step 2: Convert to fraction form
    77,511.16/116,201.13 = 30,738.52/x
  3. Step 3: Cross multiply
    77,511.16x = 116,201.13 × 30,738.52
  4. Step 4: Simplify right side
    77,511.16x = 3,571,850,758.53
  5. Step 5: Solve for x
    x = 3,571,850,758.53/77,511.16
  6. Step 6: Final answer
    x = 46,081.76

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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.