Home / 87,099.84-120,168.48-60,232.64

Finding the Fourth Proportional to 87,099.84, 120,168.48 and 60,232.64

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Solution

The fourth proportional to 87,099.84, 120,168.48 and 60,232.64 is: 83,100.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,099.84 : 120,168.48 = 60,232.64 : x
  2. Step 2: Convert to fraction form
    87,099.84/120,168.48 = 60,232.64/x
  3. Step 3: Cross multiply
    87,099.84x = 120,168.48 × 60,232.64
  4. Step 4: Simplify right side
    87,099.84x = 7,238,064,795.19
  5. Step 5: Solve for x
    x = 7,238,064,795.19/87,099.84
  6. Step 6: Final answer
    x = 83,100.78

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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.