Home / 84,519.96-126,844.18-31,262.32

Finding the Fourth Proportional to 84,519.96, 126,844.18 and 31,262.32

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Solution

The fourth proportional to 84,519.96, 126,844.18 and 31,262.32 is: 46,917.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,519.96 : 126,844.18 = 31,262.32 : x
  2. Step 2: Convert to fraction form
    84,519.96/126,844.18 = 31,262.32/x
  3. Step 3: Cross multiply
    84,519.96x = 126,844.18 × 31,262.32
  4. Step 4: Simplify right side
    84,519.96x = 3,965,443,425.70
  5. Step 5: Solve for x
    x = 3,965,443,425.70/84,519.96
  6. Step 6: Final answer
    x = 46,917.24

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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.