Home / 61,548.36-92,326.22-19,429.80

Finding the Fourth Proportional to 61,548.36, 92,326.22 and 19,429.80

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Solution

The fourth proportional to 61,548.36, 92,326.22 and 19,429.80 is: 29,145.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,548.36 : 92,326.22 = 19,429.80 : x
  2. Step 2: Convert to fraction form
    61,548.36/92,326.22 = 19,429.80/x
  3. Step 3: Cross multiply
    61,548.36x = 92,326.22 × 19,429.80
  4. Step 4: Simplify right side
    61,548.36x = 1,793,879,989.36
  5. Step 5: Solve for x
    x = 1,793,879,989.36/61,548.36
  6. Step 6: Final answer
    x = 29,145.86

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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.