Home / 77,615.10-116,325.25-33,189.62

Finding the Fourth Proportional to 77,615.10, 116,325.25 and 33,189.62

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Solution

The fourth proportional to 77,615.10, 116,325.25 and 33,189.62 is: 49,742.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,615.10 : 116,325.25 = 33,189.62 : x
  2. Step 2: Convert to fraction form
    77,615.10/116,325.25 = 33,189.62/x
  3. Step 3: Cross multiply
    77,615.10x = 116,325.25 × 33,189.62
  4. Step 4: Simplify right side
    77,615.10x = 3,860,790,843.91
  5. Step 5: Solve for x
    x = 3,860,790,843.91/77,615.10
  6. Step 6: Final answer
    x = 49,742.78

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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.