Home / 77,002.66-115,540.90-37,538.26

Finding the Fourth Proportional to 77,002.66, 115,540.90 and 37,538.26

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Solution

The fourth proportional to 77,002.66, 115,540.90 and 37,538.26 is: 56,325.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,002.66 : 115,540.90 = 37,538.26 : x
  2. Step 2: Convert to fraction form
    77,002.66/115,540.90 = 37,538.26/x
  3. Step 3: Cross multiply
    77,002.66x = 115,540.90 × 37,538.26
  4. Step 4: Simplify right side
    77,002.66x = 4,337,204,344.83
  5. Step 5: Solve for x
    x = 4,337,204,344.83/77,002.66
  6. Step 6: Final answer
    x = 56,325.38

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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.