Home / 76,029.69-114,147.96-42,773.16

Finding the Fourth Proportional to 76,029.69, 114,147.96 and 42,773.16

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Solution

The fourth proportional to 76,029.69, 114,147.96 and 42,773.16 is: 64,217.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,029.69 : 114,147.96 = 42,773.16 : x
  2. Step 2: Convert to fraction form
    76,029.69/114,147.96 = 42,773.16/x
  3. Step 3: Cross multiply
    76,029.69x = 114,147.96 × 42,773.16
  4. Step 4: Simplify right side
    76,029.69x = 4,882,468,956.75
  5. Step 5: Solve for x
    x = 4,882,468,956.75/76,029.69
  6. Step 6: Final answer
    x = 64,217.93

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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.