Home / 61,519.50-92,288.16-19,385.33

Finding the Fourth Proportional to 61,519.50, 92,288.16 and 19,385.33

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Solution

The fourth proportional to 61,519.50, 92,288.16 and 19,385.33 is: 29,080.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,519.50 : 92,288.16 = 19,385.33 : x
  2. Step 2: Convert to fraction form
    61,519.50/92,288.16 = 19,385.33/x
  3. Step 3: Cross multiply
    61,519.50x = 92,288.16 × 19,385.33
  4. Step 4: Simplify right side
    61,519.50x = 1,789,035,975.25
  5. Step 5: Solve for x
    x = 1,789,035,975.25/61,519.50
  6. Step 6: Final answer
    x = 29,080.80

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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.