Home / 81,508.32-112,481.46-45,698.22

Finding the Fourth Proportional to 81,508.32, 112,481.46 and 45,698.22

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Solution

The fourth proportional to 81,508.32, 112,481.46 and 45,698.22 is: 63,063.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,508.32 : 112,481.46 = 45,698.22 : x
  2. Step 2: Convert to fraction form
    81,508.32/112,481.46 = 45,698.22/x
  3. Step 3: Cross multiply
    81,508.32x = 112,481.46 × 45,698.22
  4. Step 4: Simplify right side
    81,508.32x = 5,140,202,505.00
  5. Step 5: Solve for x
    x = 5,140,202,505.00/81,508.32
  6. Step 6: Final answer
    x = 63,063.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.