Home / 61,853.55-92,786.94-19,723.70

Finding the Fourth Proportional to 61,853.55, 92,786.94 and 19,723.70

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Solution

The fourth proportional to 61,853.55, 92,786.94 and 19,723.70 is: 29,587.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,853.55 : 92,786.94 = 19,723.70 : x
  2. Step 2: Convert to fraction form
    61,853.55/92,786.94 = 19,723.70/x
  3. Step 3: Cross multiply
    61,853.55x = 92,786.94 × 19,723.70
  4. Step 4: Simplify right side
    61,853.55x = 1,830,101,304.54
  5. Step 5: Solve for x
    x = 1,830,101,304.54/61,853.55
  6. Step 6: Final answer
    x = 29,587.65

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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.