Home / 75,771.20-113,661.35-23,181.14

Finding the Fourth Proportional to 75,771.20, 113,661.35 and 23,181.14

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Solution

The fourth proportional to 75,771.20, 113,661.35 and 23,181.14 is: 34,773.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,771.20 : 113,661.35 = 23,181.14 : x
  2. Step 2: Convert to fraction form
    75,771.20/113,661.35 = 23,181.14/x
  3. Step 3: Cross multiply
    75,771.20x = 113,661.35 × 23,181.14
  4. Step 4: Simplify right side
    75,771.20x = 2,634,799,666.94
  5. Step 5: Solve for x
    x = 2,634,799,666.94/75,771.20
  6. Step 6: Final answer
    x = 34,773.10

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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.