Home / 77,090.88-115,654.62-24,500.40

Finding the Fourth Proportional to 77,090.88, 115,654.62 and 24,500.40

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Solution

The fourth proportional to 77,090.88, 115,654.62 and 24,500.40 is: 36,756.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,090.88 : 115,654.62 = 24,500.40 : x
  2. Step 2: Convert to fraction form
    77,090.88/115,654.62 = 24,500.40/x
  3. Step 3: Cross multiply
    77,090.88x = 115,654.62 × 24,500.40
  4. Step 4: Simplify right side
    77,090.88x = 2,833,584,451.85
  5. Step 5: Solve for x
    x = 2,833,584,451.85/77,090.88
  6. Step 6: Final answer
    x = 36,756.42

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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.