Home / 87,796.16-121,158.72-48,052.16

Finding the Fourth Proportional to 87,796.16, 121,158.72 and 48,052.16

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Solution

The fourth proportional to 87,796.16, 121,158.72 and 48,052.16 is: 66,311.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,796.16 : 121,158.72 = 48,052.16 : x
  2. Step 2: Convert to fraction form
    87,796.16/121,158.72 = 48,052.16/x
  3. Step 3: Cross multiply
    87,796.16x = 121,158.72 × 48,052.16
  4. Step 4: Simplify right side
    87,796.16x = 5,821,938,198.84
  5. Step 5: Solve for x
    x = 5,821,938,198.84/87,796.16
  6. Step 6: Final answer
    x = 66,311.99

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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.