Home / 71,922.18-99,211.97-45,017.98

Finding the Fourth Proportional to 71,922.18, 99,211.97 and 45,017.98

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Solution

The fourth proportional to 71,922.18, 99,211.97 and 45,017.98 is: 62,099.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,922.18 : 99,211.97 = 45,017.98 : x
  2. Step 2: Convert to fraction form
    71,922.18/99,211.97 = 45,017.98/x
  3. Step 3: Cross multiply
    71,922.18x = 99,211.97 × 45,017.98
  4. Step 4: Simplify right side
    71,922.18x = 4,466,322,481.22
  5. Step 5: Solve for x
    x = 4,466,322,481.22/71,922.18
  6. Step 6: Final answer
    x = 62,099.38

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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.