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Finding the Fourth Proportional to 76,297.92, 114,466.76 and 28,913.36

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Solution

The fourth proportional to 76,297.92, 114,466.76 and 28,913.36 is: 43,377.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,297.92 : 114,466.76 = 28,913.36 : x
  2. Step 2: Convert to fraction form
    76,297.92/114,466.76 = 28,913.36/x
  3. Step 3: Cross multiply
    76,297.92x = 114,466.76 × 28,913.36
  4. Step 4: Simplify right side
    76,297.92x = 3,309,618,639.91
  5. Step 5: Solve for x
    x = 3,309,618,639.91/76,297.92
  6. Step 6: Final answer
    x = 43,377.57

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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.