Home / 53,481.12-80,286.96-51,366.96

Finding the Fourth Proportional to 53,481.12, 80,286.96 and 51,366.96

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Solution

The fourth proportional to 53,481.12, 80,286.96 and 51,366.96 is: 77,113.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,481.12 : 80,286.96 = 51,366.96 : x
  2. Step 2: Convert to fraction form
    53,481.12/80,286.96 = 51,366.96/x
  3. Step 3: Cross multiply
    53,481.12x = 80,286.96 × 51,366.96
  4. Step 4: Simplify right side
    53,481.12x = 4,124,097,062.84
  5. Step 5: Solve for x
    x = 4,124,097,062.84/53,481.12
  6. Step 6: Final answer
    x = 77,113.14

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1.5x scale

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.