Home / 69,916.40-104,840.27-29,929.73

Finding the Fourth Proportional to 69,916.40, 104,840.27 and 29,929.73

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Solution

The fourth proportional to 69,916.40, 104,840.27 and 29,929.73 is: 44,879.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,916.40 : 104,840.27 = 29,929.73 : x
  2. Step 2: Convert to fraction form
    69,916.40/104,840.27 = 29,929.73/x
  3. Step 3: Cross multiply
    69,916.40x = 104,840.27 × 29,929.73
  4. Step 4: Simplify right side
    69,916.40x = 3,137,841,086.68
  5. Step 5: Solve for x
    x = 3,137,841,086.68/69,916.40
  6. Step 6: Final answer
    x = 44,879.90

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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.