Home / 72,485.19-108,684.09-32,496.94

Finding the Fourth Proportional to 72,485.19, 108,684.09 and 32,496.94

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Solution

The fourth proportional to 72,485.19, 108,684.09 and 32,496.94 is: 48,725.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,485.19 : 108,684.09 = 32,496.94 : x
  2. Step 2: Convert to fraction form
    72,485.19/108,684.09 = 32,496.94/x
  3. Step 3: Cross multiply
    72,485.19x = 108,684.09 × 32,496.94
  4. Step 4: Simplify right side
    72,485.19x = 3,531,900,351.68
  5. Step 5: Solve for x
    x = 3,531,900,351.68/72,485.19
  6. Step 6: Final answer
    x = 48,725.82

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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.