Home / 92,396.72-138,580.68-30,066.80

Finding the Fourth Proportional to 92,396.72, 138,580.68 and 30,066.80

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Solution

The fourth proportional to 92,396.72, 138,580.68 and 30,066.80 is: 45,095.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,396.72 : 138,580.68 = 30,066.80 : x
  2. Step 2: Convert to fraction form
    92,396.72/138,580.68 = 30,066.80/x
  3. Step 3: Cross multiply
    92,396.72x = 138,580.68 × 30,066.80
  4. Step 4: Simplify right side
    92,396.72x = 4,166,677,589.42
  5. Step 5: Solve for x
    x = 4,166,677,589.42/92,396.72
  6. Step 6: Final answer
    x = 45,095.51

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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.