Home / 87,552.50-120,817.51-51,745.84

Finding the Fourth Proportional to 87,552.50, 120,817.51 and 51,745.84

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Solution

The fourth proportional to 87,552.50, 120,817.51 and 51,745.84 is: 71,406.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,552.50 : 120,817.51 = 51,745.84 : x
  2. Step 2: Convert to fraction form
    87,552.50/120,817.51 = 51,745.84/x
  3. Step 3: Cross multiply
    87,552.50x = 120,817.51 × 51,745.84
  4. Step 4: Simplify right side
    87,552.50x = 6,251,803,110.25
  5. Step 5: Solve for x
    x = 6,251,803,110.25/87,552.50
  6. Step 6: Final answer
    x = 71,406.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.