Home / 87,085.60-120,168.51-48,837.27

Finding the Fourth Proportional to 87,085.60, 120,168.51 and 48,837.27

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Solution

The fourth proportional to 87,085.60, 120,168.51 and 48,837.27 is: 67,390.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,085.60 : 120,168.51 = 48,837.27 : x
  2. Step 2: Convert to fraction form
    87,085.60/120,168.51 = 48,837.27/x
  3. Step 3: Cross multiply
    87,085.60x = 120,168.51 × 48,837.27
  4. Step 4: Simplify right side
    87,085.60x = 5,868,702,390.88
  5. Step 5: Solve for x
    x = 5,868,702,390.88/87,085.60
  6. Step 6: Final answer
    x = 67,390.05

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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.