Home / 81,793.05-112,873.73-45,983.22

Finding the Fourth Proportional to 81,793.05, 112,873.73 and 45,983.22

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Solution

The fourth proportional to 81,793.05, 112,873.73 and 45,983.22 is: 63,456.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,793.05 : 112,873.73 = 45,983.22 : x
  2. Step 2: Convert to fraction form
    81,793.05/112,873.73 = 45,983.22/x
  3. Step 3: Cross multiply
    81,793.05x = 112,873.73 × 45,983.22
  4. Step 4: Simplify right side
    81,793.05x = 5,190,297,558.81
  5. Step 5: Solve for x
    x = 5,190,297,558.81/81,793.05
  6. Step 6: Final answer
    x = 63,456.46

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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.