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Finding the Fourth Proportional to 79,083.99, 118,653.35 and 49,466.57

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Solution

The fourth proportional to 79,083.99, 118,653.35 and 49,466.57 is: 74,216.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,083.99 : 118,653.35 = 49,466.57 : x
  2. Step 2: Convert to fraction form
    79,083.99/118,653.35 = 49,466.57/x
  3. Step 3: Cross multiply
    79,083.99x = 118,653.35 × 49,466.57
  4. Step 4: Simplify right side
    79,083.99x = 5,869,373,402.91
  5. Step 5: Solve for x
    x = 5,869,373,402.91/79,083.99
  6. Step 6: Final answer
    x = 74,216.96

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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.