Home / 72,558.84-108,852.20-25,172.12

Finding the Fourth Proportional to 72,558.84, 108,852.20 and 25,172.12

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Solution

The fourth proportional to 72,558.84, 108,852.20 and 25,172.12 is: 37,763.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,558.84 : 108,852.20 = 25,172.12 : x
  2. Step 2: Convert to fraction form
    72,558.84/108,852.20 = 25,172.12/x
  3. Step 3: Cross multiply
    72,558.84x = 108,852.20 × 25,172.12
  4. Step 4: Simplify right side
    72,558.84x = 2,740,040,640.66
  5. Step 5: Solve for x
    x = 2,740,040,640.66/72,558.84
  6. Step 6: Final answer
    x = 37,763.02

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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.