Home / 87,492.02-131,223.99-31,321.70

Finding the Fourth Proportional to 87,492.02, 131,223.99 and 31,321.70

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Solution

The fourth proportional to 87,492.02, 131,223.99 and 31,321.70 is: 46,977.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,492.02 : 131,223.99 = 31,321.70 : x
  2. Step 2: Convert to fraction form
    87,492.02/131,223.99 = 31,321.70/x
  3. Step 3: Cross multiply
    87,492.02x = 131,223.99 × 31,321.70
  4. Step 4: Simplify right side
    87,492.02x = 4,110,158,447.58
  5. Step 5: Solve for x
    x = 4,110,158,447.58/87,492.02
  6. Step 6: Final answer
    x = 46,977.52

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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.