Home / 87,827.56-121,200.90-50,102.44

Finding the Fourth Proportional to 87,827.56, 121,200.90 and 50,102.44

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Solution

The fourth proportional to 87,827.56, 121,200.90 and 50,102.44 is: 69,140.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,827.56 : 121,200.90 = 50,102.44 : x
  2. Step 2: Convert to fraction form
    87,827.56/121,200.90 = 50,102.44/x
  3. Step 3: Cross multiply
    87,827.56x = 121,200.90 × 50,102.44
  4. Step 4: Simplify right side
    87,827.56x = 6,072,460,820.20
  5. Step 5: Solve for x
    x = 6,072,460,820.20/87,827.56
  6. Step 6: Final answer
    x = 69,140.72

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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.