Home / 87,503.26-131,256.75-31,347.02

Finding the Fourth Proportional to 87,503.26, 131,256.75 and 31,347.02

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Solution

The fourth proportional to 87,503.26, 131,256.75 and 31,347.02 is: 47,021.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,503.26 : 131,256.75 = 31,347.02 : x
  2. Step 2: Convert to fraction form
    87,503.26/131,256.75 = 31,347.02/x
  3. Step 3: Cross multiply
    87,503.26x = 131,256.75 × 31,347.02
  4. Step 4: Simplify right side
    87,503.26x = 4,114,507,967.39
  5. Step 5: Solve for x
    x = 4,114,507,967.39/87,503.26
  6. Step 6: Final answer
    x = 47,021.20

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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.