Home / 71,741.34-98,944.09-63,680.88

Finding the Fourth Proportional to 71,741.34, 98,944.09 and 63,680.88

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Solution

The fourth proportional to 71,741.34, 98,944.09 and 63,680.88 is: 87,827.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,741.34 : 98,944.09 = 63,680.88 : x
  2. Step 2: Convert to fraction form
    71,741.34/98,944.09 = 63,680.88/x
  3. Step 3: Cross multiply
    71,741.34x = 98,944.09 × 63,680.88
  4. Step 4: Simplify right side
    71,741.34x = 6,300,846,722.00
  5. Step 5: Solve for x
    x = 6,300,846,722.00/71,741.34
  6. Step 6: Final answer
    x = 87,827.28

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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.