Home / 77,512.80-116,200.08-30,733.68

Finding the Fourth Proportional to 77,512.80, 116,200.08 and 30,733.68

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Solution

The fourth proportional to 77,512.80, 116,200.08 and 30,733.68 is: 46,073.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,512.80 : 116,200.08 = 30,733.68 : x
  2. Step 2: Convert to fraction form
    77,512.80/116,200.08 = 30,733.68/x
  3. Step 3: Cross multiply
    77,512.80x = 116,200.08 × 30,733.68
  4. Step 4: Simplify right side
    77,512.80x = 3,571,256,074.69
  5. Step 5: Solve for x
    x = 3,571,256,074.69/77,512.80
  6. Step 6: Final answer
    x = 46,073.11

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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.