Home / 88,058.20-132,087.30-71,469.40

Finding the Fourth Proportional to 88,058.20, 132,087.30 and 71,469.40

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Solution

The fourth proportional to 88,058.20, 132,087.30 and 71,469.40 is: 107,204.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,058.20 : 132,087.30 = 71,469.40 : x
  2. Step 2: Convert to fraction form
    88,058.20/132,087.30 = 71,469.40/x
  3. Step 3: Cross multiply
    88,058.20x = 132,087.30 × 71,469.40
  4. Step 4: Simplify right side
    88,058.20x = 9,440,200,078.62
  5. Step 5: Solve for x
    x = 9,440,200,078.62/88,058.20
  6. Step 6: Final answer
    x = 107,204.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.