Home / 61,853.05-92,786.19-19,723.20

Finding the Fourth Proportional to 61,853.05, 92,786.19 and 19,723.20

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Solution

The fourth proportional to 61,853.05, 92,786.19 and 19,723.20 is: 29,586.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,853.05 : 92,786.19 = 19,723.20 : x
  2. Step 2: Convert to fraction form
    61,853.05/92,786.19 = 19,723.20/x
  3. Step 3: Cross multiply
    61,853.05x = 92,786.19 × 19,723.20
  4. Step 4: Simplify right side
    61,853.05x = 1,830,040,582.61
  5. Step 5: Solve for x
    x = 1,830,040,582.61/61,853.05
  6. Step 6: Final answer
    x = 29,586.91

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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.