Home / 87,971.50-131,875.26-34,692.40

Finding the Fourth Proportional to 87,971.50, 131,875.26 and 34,692.40

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Solution

The fourth proportional to 87,971.50, 131,875.26 and 34,692.40 is: 52,006.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,971.50 : 131,875.26 = 34,692.40 : x
  2. Step 2: Convert to fraction form
    87,971.50/131,875.26 = 34,692.40/x
  3. Step 3: Cross multiply
    87,971.50x = 131,875.26 × 34,692.40
  4. Step 4: Simplify right side
    87,971.50x = 4,575,069,270.02
  5. Step 5: Solve for x
    x = 4,575,069,270.02/87,971.50
  6. Step 6: Final answer
    x = 52,006.27

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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.