Home / 71,620.45-98,838.80-41,415.25

Finding the Fourth Proportional to 71,620.45, 98,838.80 and 41,415.25

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Solution

The fourth proportional to 71,620.45, 98,838.80 and 41,415.25 is: 57,154.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,620.45 : 98,838.80 = 41,415.25 : x
  2. Step 2: Convert to fraction form
    71,620.45/98,838.80 = 41,415.25/x
  3. Step 3: Cross multiply
    71,620.45x = 98,838.80 × 41,415.25
  4. Step 4: Simplify right side
    71,620.45x = 4,093,433,611.70
  5. Step 5: Solve for x
    x = 4,093,433,611.70/71,620.45
  6. Step 6: Final answer
    x = 57,154.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.