Home / 72,218.69-108,370.86-32,775.23

Finding the Fourth Proportional to 72,218.69, 108,370.86 and 32,775.23

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Solution

The fourth proportional to 72,218.69, 108,370.86 and 32,775.23 is: 49,182.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,218.69 : 108,370.86 = 32,775.23 : x
  2. Step 2: Convert to fraction form
    72,218.69/108,370.86 = 32,775.23/x
  3. Step 3: Cross multiply
    72,218.69x = 108,370.86 × 32,775.23
  4. Step 4: Simplify right side
    72,218.69x = 3,551,880,194.18
  5. Step 5: Solve for x
    x = 3,551,880,194.18/72,218.69
  6. Step 6: Final answer
    x = 49,182.29

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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.