Home / 76,916.26-106,116-45,073.54

Finding the Fourth Proportional to 76,916.26, 106,116 and 45,073.54

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Solution

The fourth proportional to 76,916.26, 106,116 and 45,073.54 is: 62,184.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,916.26 : 106,116 = 45,073.54 : x
  2. Step 2: Convert to fraction form
    76,916.26/106,116 = 45,073.54/x
  3. Step 3: Cross multiply
    76,916.26x = 106,116 × 45,073.54
  4. Step 4: Simplify right side
    76,916.26x = 4,783,023,770.64
  5. Step 5: Solve for x
    x = 4,783,023,770.64/76,916.26
  6. Step 6: Final answer
    x = 62,184.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.