Home / 87,408.95-131,094.46-31,252.95

Finding the Fourth Proportional to 87,408.95, 131,094.46 and 31,252.95

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Solution

The fourth proportional to 87,408.95, 131,094.46 and 31,252.95 is: 46,872.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,408.95 : 131,094.46 = 31,252.95 : x
  2. Step 2: Convert to fraction form
    87,408.95/131,094.46 = 31,252.95/x
  3. Step 3: Cross multiply
    87,408.95x = 131,094.46 × 31,252.95
  4. Step 4: Simplify right side
    87,408.95x = 4,097,088,525.52
  5. Step 5: Solve for x
    x = 4,097,088,525.52/87,408.95
  6. Step 6: Final answer
    x = 46,872.64

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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.