Home / 76,847.52-115,329.69-37,429.68

Finding the Fourth Proportional to 76,847.52, 115,329.69 and 37,429.68

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Solution

The fourth proportional to 76,847.52, 115,329.69 and 37,429.68 is: 56,172.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,847.52 : 115,329.69 = 37,429.68 : x
  2. Step 2: Convert to fraction form
    76,847.52/115,329.69 = 37,429.68/x
  3. Step 3: Cross multiply
    76,847.52x = 115,329.69 × 37,429.68
  4. Step 4: Simplify right side
    76,847.52x = 4,316,753,391.20
  5. Step 5: Solve for x
    x = 4,316,753,391.20/76,847.52
  6. Step 6: Final answer
    x = 56,172.97

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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.