Home / 72,865.11-109,269.03-35,414.22

Finding the Fourth Proportional to 72,865.11, 109,269.03 and 35,414.22

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Solution

The fourth proportional to 72,865.11, 109,269.03 and 35,414.22 is: 53,107.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,865.11 : 109,269.03 = 35,414.22 : x
  2. Step 2: Convert to fraction form
    72,865.11/109,269.03 = 35,414.22/x
  3. Step 3: Cross multiply
    72,865.11x = 109,269.03 × 35,414.22
  4. Step 4: Simplify right side
    72,865.11x = 3,869,677,467.61
  5. Step 5: Solve for x
    x = 3,869,677,467.61/72,865.11
  6. Step 6: Final answer
    x = 53,107.41

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1.5x scale

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.