Home / 76,890.33-115,295.99-34,747.58

Finding the Fourth Proportional to 76,890.33, 115,295.99 and 34,747.58

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Solution

The fourth proportional to 76,890.33, 115,295.99 and 34,747.58 is: 52,103.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,890.33 : 115,295.99 = 34,747.58 : x
  2. Step 2: Convert to fraction form
    76,890.33/115,295.99 = 34,747.58/x
  3. Step 3: Cross multiply
    76,890.33x = 115,295.99 × 34,747.58
  4. Step 4: Simplify right side
    76,890.33x = 4,006,256,750.71
  5. Step 5: Solve for x
    x = 4,006,256,750.71/76,890.33
  6. Step 6: Final answer
    x = 52,103.52

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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.