Home / 76,537.44-105,621.60-42,544.86

Finding the Fourth Proportional to 76,537.44, 105,621.60 and 42,544.86

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Solution

The fourth proportional to 76,537.44, 105,621.60 and 42,544.86 is: 58,711.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,537.44 : 105,621.60 = 42,544.86 : x
  2. Step 2: Convert to fraction form
    76,537.44/105,621.60 = 42,544.86/x
  3. Step 3: Cross multiply
    76,537.44x = 105,621.60 × 42,544.86
  4. Step 4: Simplify right side
    76,537.44x = 4,493,656,184.98
  5. Step 5: Solve for x
    x = 4,493,656,184.98/76,537.44
  6. Step 6: Final answer
    x = 58,711.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.