Home / 77,339.86-115,990.88-24,738.46

Finding the Fourth Proportional to 77,339.86, 115,990.88 and 24,738.46

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Solution

The fourth proportional to 77,339.86, 115,990.88 and 24,738.46 is: 37,101.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,339.86 : 115,990.88 = 24,738.46 : x
  2. Step 2: Convert to fraction form
    77,339.86/115,990.88 = 24,738.46/x
  3. Step 3: Cross multiply
    77,339.86x = 115,990.88 × 24,738.46
  4. Step 4: Simplify right side
    77,339.86x = 2,869,435,745.24
  5. Step 5: Solve for x
    x = 2,869,435,745.24/77,339.86
  6. Step 6: Final answer
    x = 37,101.64

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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.