Home / 87,548.32-131,335.44-32,140

Finding the Fourth Proportional to 87,548.32, 131,335.44 and 32,140

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Solution

The fourth proportional to 87,548.32, 131,335.44 and 32,140 is: 48,214.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,548.32 : 131,335.44 = 32,140 : x
  2. Step 2: Convert to fraction form
    87,548.32/131,335.44 = 32,140/x
  3. Step 3: Cross multiply
    87,548.32x = 131,335.44 × 32,140
  4. Step 4: Simplify right side
    87,548.32x = 4,221,121,041.60
  5. Step 5: Solve for x
    x = 4,221,121,041.60/87,548.32
  6. Step 6: Final answer
    x = 48,214.76

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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.