Home / 61,553.47-92,328.58-19,431.85

Finding the Fourth Proportional to 61,553.47, 92,328.58 and 19,431.85

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Solution

The fourth proportional to 61,553.47, 92,328.58 and 19,431.85 is: 29,147.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,553.47 : 92,328.58 = 19,431.85 : x
  2. Step 2: Convert to fraction form
    61,553.47/92,328.58 = 19,431.85/x
  3. Step 3: Cross multiply
    61,553.47x = 92,328.58 × 19,431.85
  4. Step 4: Simplify right side
    61,553.47x = 1,794,115,117.27
  5. Step 5: Solve for x
    x = 1,794,115,117.27/61,553.47
  6. Step 6: Final answer
    x = 29,147.26

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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.