Home / 87,029.44-130,602.51-31,625.44

Finding the Fourth Proportional to 87,029.44, 130,602.51 and 31,625.44

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Solution

The fourth proportional to 87,029.44, 130,602.51 and 31,625.44 is: 47,459.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,029.44 : 130,602.51 = 31,625.44 : x
  2. Step 2: Convert to fraction form
    87,029.44/130,602.51 = 31,625.44/x
  3. Step 3: Cross multiply
    87,029.44x = 130,602.51 × 31,625.44
  4. Step 4: Simplify right side
    87,029.44x = 4,130,361,517.35
  5. Step 5: Solve for x
    x = 4,130,361,517.35/87,029.44
  6. Step 6: Final answer
    x = 47,459.36

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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.