Home / 87,941.08-121,200.06-64,029.88

Finding the Fourth Proportional to 87,941.08, 121,200.06 and 64,029.88

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Solution

The fourth proportional to 87,941.08, 121,200.06 and 64,029.88 is: 88,245.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,941.08 : 121,200.06 = 64,029.88 : x
  2. Step 2: Convert to fraction form
    87,941.08/121,200.06 = 64,029.88/x
  3. Step 3: Cross multiply
    87,941.08x = 121,200.06 × 64,029.88
  4. Step 4: Simplify right side
    87,941.08x = 7,760,425,297.79
  5. Step 5: Solve for x
    x = 7,760,425,297.79/87,941.08
  6. Step 6: Final answer
    x = 88,245.74

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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.