Home / 87,521.22-131,309.37-31,323.02

Finding the Fourth Proportional to 87,521.22, 131,309.37 and 31,323.02

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Solution

The fourth proportional to 87,521.22, 131,309.37 and 31,323.02 is: 46,994.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,521.22 : 131,309.37 = 31,323.02 : x
  2. Step 2: Convert to fraction form
    87,521.22/131,309.37 = 31,323.02/x
  3. Step 3: Cross multiply
    87,521.22x = 131,309.37 × 31,323.02
  4. Step 4: Simplify right side
    87,521.22x = 4,113,005,366.15
  5. Step 5: Solve for x
    x = 4,113,005,366.15/87,521.22
  6. Step 6: Final answer
    x = 46,994.38

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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.