Home / 87,233.49-120,374.88-52,791.12

Finding the Fourth Proportional to 87,233.49, 120,374.88 and 52,791.12

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Solution

The fourth proportional to 87,233.49, 120,374.88 and 52,791.12 is: 72,847.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,233.49 : 120,374.88 = 52,791.12 : x
  2. Step 2: Convert to fraction form
    87,233.49/120,374.88 = 52,791.12/x
  3. Step 3: Cross multiply
    87,233.49x = 120,374.88 × 52,791.12
  4. Step 4: Simplify right side
    87,233.49x = 6,354,724,735.07
  5. Step 5: Solve for x
    x = 6,354,724,735.07/87,233.49
  6. Step 6: Final answer
    x = 72,847.31

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1.5x scale

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.