Home / 50,081.85-75,132.86-18,492.12

Finding the Fourth Proportional to 50,081.85, 75,132.86 and 18,492.12

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Solution

The fourth proportional to 50,081.85, 75,132.86 and 18,492.12 is: 27,741.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,081.85 : 75,132.86 = 18,492.12 : x
  2. Step 2: Convert to fraction form
    50,081.85/75,132.86 = 18,492.12/x
  3. Step 3: Cross multiply
    50,081.85x = 75,132.86 × 18,492.12
  4. Step 4: Simplify right side
    50,081.85x = 1,389,365,770.60
  5. Step 5: Solve for x
    x = 1,389,365,770.60/50,081.85
  6. Step 6: Final answer
    x = 27,741.90

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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.