Home / 89,739.60-134,608.20-27,410.40

Finding the Fourth Proportional to 89,739.60, 134,608.20 and 27,410.40

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Solution

The fourth proportional to 89,739.60, 134,608.20 and 27,410.40 is: 41,115.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,739.60 : 134,608.20 = 27,410.40 : x
  2. Step 2: Convert to fraction form
    89,739.60/134,608.20 = 27,410.40/x
  3. Step 3: Cross multiply
    89,739.60x = 134,608.20 × 27,410.40
  4. Step 4: Simplify right side
    89,739.60x = 3,689,664,605.28
  5. Step 5: Solve for x
    x = 3,689,664,605.28/89,739.60
  6. Step 6: Final answer
    x = 41,115.23

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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.