Home / 61,760.84-92,618.56-21,222.85

Finding the Fourth Proportional to 61,760.84, 92,618.56 and 21,222.85

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Solution

The fourth proportional to 61,760.84, 92,618.56 and 21,222.85 is: 31,826.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,760.84 : 92,618.56 = 21,222.85 : x
  2. Step 2: Convert to fraction form
    61,760.84/92,618.56 = 21,222.85/x
  3. Step 3: Cross multiply
    61,760.84x = 92,618.56 × 21,222.85
  4. Step 4: Simplify right side
    61,760.84x = 1,965,630,090.70
  5. Step 5: Solve for x
    x = 1,965,630,090.70/61,760.84
  6. Step 6: Final answer
    x = 31,826.48

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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.