Home / 65,199.96-89,976.20-36,911.08

Finding the Fourth Proportional to 65,199.96, 89,976.20 and 36,911.08

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Solution

The fourth proportional to 65,199.96, 89,976.20 and 36,911.08 is: 50,937.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,199.96 : 89,976.20 = 36,911.08 : x
  2. Step 2: Convert to fraction form
    65,199.96/89,976.20 = 36,911.08/x
  3. Step 3: Cross multiply
    65,199.96x = 89,976.20 × 36,911.08
  4. Step 4: Simplify right side
    65,199.96x = 3,321,118,716.30
  5. Step 5: Solve for x
    x = 3,321,118,716.30/65,199.96
  6. Step 6: Final answer
    x = 50,937.43

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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.