Home / 87,310.44-120,492.36-51,501.96

Finding the Fourth Proportional to 87,310.44, 120,492.36 and 51,501.96

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Solution

The fourth proportional to 87,310.44, 120,492.36 and 51,501.96 is: 71,075.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,310.44 : 120,492.36 = 51,501.96 : x
  2. Step 2: Convert to fraction form
    87,310.44/120,492.36 = 51,501.96/x
  3. Step 3: Cross multiply
    87,310.44x = 120,492.36 × 51,501.96
  4. Step 4: Simplify right side
    87,310.44x = 6,205,592,705.03
  5. Step 5: Solve for x
    x = 6,205,592,705.03/87,310.44
  6. Step 6: Final answer
    x = 71,075.04

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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.