Home / 72,916.80-109,375.20-23,012.19

Finding the Fourth Proportional to 72,916.80, 109,375.20 and 23,012.19

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Solution

The fourth proportional to 72,916.80, 109,375.20 and 23,012.19 is: 34,518.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,916.80 : 109,375.20 = 23,012.19 : x
  2. Step 2: Convert to fraction form
    72,916.80/109,375.20 = 23,012.19/x
  3. Step 3: Cross multiply
    72,916.80x = 109,375.20 × 23,012.19
  4. Step 4: Simplify right side
    72,916.80x = 2,516,962,883.69
  5. Step 5: Solve for x
    x = 2,516,962,883.69/72,916.80
  6. Step 6: Final answer
    x = 34,518.29

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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.