Home / 61,660.42-92,493.20-19,539.57

Finding the Fourth Proportional to 61,660.42, 92,493.20 and 19,539.57

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Solution

The fourth proportional to 61,660.42, 92,493.20 and 19,539.57 is: 29,310.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,660.42 : 92,493.20 = 19,539.57 : x
  2. Step 2: Convert to fraction form
    61,660.42/92,493.20 = 19,539.57/x
  3. Step 3: Cross multiply
    61,660.42x = 92,493.20 × 19,539.57
  4. Step 4: Simplify right side
    61,660.42x = 1,807,277,124.69
  5. Step 5: Solve for x
    x = 1,807,277,124.69/61,660.42
  6. Step 6: Final answer
    x = 29,310.17

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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.