Home / 87,058.54-120,166.46-56,848.56

Finding the Fourth Proportional to 87,058.54, 120,166.46 and 56,848.56

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Solution

The fourth proportional to 87,058.54, 120,166.46 and 56,848.56 is: 78,467.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,058.54 : 120,166.46 = 56,848.56 : x
  2. Step 2: Convert to fraction form
    87,058.54/120,166.46 = 56,848.56/x
  3. Step 3: Cross multiply
    87,058.54x = 120,166.46 × 56,848.56
  4. Step 4: Simplify right side
    87,058.54x = 6,831,290,211.30
  5. Step 5: Solve for x
    x = 6,831,290,211.30/87,058.54
  6. Step 6: Final answer
    x = 78,467.78

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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.