Home / 84,273.32-126,475.26-31,730.60

Finding the Fourth Proportional to 84,273.32, 126,475.26 and 31,730.60

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Solution

The fourth proportional to 84,273.32, 126,475.26 and 31,730.60 is: 47,620.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,273.32 : 126,475.26 = 31,730.60 : x
  2. Step 2: Convert to fraction form
    84,273.32/126,475.26 = 31,730.60/x
  3. Step 3: Cross multiply
    84,273.32x = 126,475.26 × 31,730.60
  4. Step 4: Simplify right side
    84,273.32x = 4,013,135,884.96
  5. Step 5: Solve for x
    x = 4,013,135,884.96/84,273.32
  6. Step 6: Final answer
    x = 47,620.48

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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.