Home / 84,724.28-126,886.04-73,570.34

Finding the Fourth Proportional to 84,724.28, 126,886.04 and 73,570.34

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Solution

The fourth proportional to 84,724.28, 126,886.04 and 73,570.34 is: 110,181.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,724.28 : 126,886.04 = 73,570.34 : x
  2. Step 2: Convert to fraction form
    84,724.28/126,886.04 = 73,570.34/x
  3. Step 3: Cross multiply
    84,724.28x = 126,886.04 × 73,570.34
  4. Step 4: Simplify right side
    84,724.28x = 9,335,049,104.05
  5. Step 5: Solve for x
    x = 9,335,049,104.05/84,724.28
  6. Step 6: Final answer
    x = 110,181.51

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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.