Home / 87,372.30-120,593.70-61,852.14

Finding the Fourth Proportional to 87,372.30, 120,593.70 and 61,852.14

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Solution

The fourth proportional to 87,372.30, 120,593.70 and 61,852.14 is: 85,370.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,372.30 : 120,593.70 = 61,852.14 : x
  2. Step 2: Convert to fraction form
    87,372.30/120,593.70 = 61,852.14/x
  3. Step 3: Cross multiply
    87,372.30x = 120,593.70 × 61,852.14
  4. Step 4: Simplify right side
    87,372.30x = 7,458,978,415.52
  5. Step 5: Solve for x
    x = 7,458,978,415.52/87,372.30
  6. Step 6: Final answer
    x = 85,370.06

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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.