Home / 87,188.16-120,317.94-48,948.60

Finding the Fourth Proportional to 87,188.16, 120,317.94 and 48,948.60

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Solution

The fourth proportional to 87,188.16, 120,317.94 and 48,948.60 is: 67,548.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,188.16 : 120,317.94 = 48,948.60 : x
  2. Step 2: Convert to fraction form
    87,188.16/120,317.94 = 48,948.60/x
  3. Step 3: Cross multiply
    87,188.16x = 120,317.94 × 48,948.60
  4. Step 4: Simplify right side
    87,188.16x = 5,889,394,717.88
  5. Step 5: Solve for x
    x = 5,889,394,717.88/87,188.16
  6. Step 6: Final answer
    x = 67,548.10

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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.