Home / 61,845.48-92,692.19-28,519.28

Finding the Fourth Proportional to 61,845.48, 92,692.19 and 28,519.28

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Solution

The fourth proportional to 61,845.48, 92,692.19 and 28,519.28 is: 42,743.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,845.48 : 92,692.19 = 28,519.28 : x
  2. Step 2: Convert to fraction form
    61,845.48/92,692.19 = 28,519.28/x
  3. Step 3: Cross multiply
    61,845.48x = 92,692.19 × 28,519.28
  4. Step 4: Simplify right side
    61,845.48x = 2,643,514,520.42
  5. Step 5: Solve for x
    x = 2,643,514,520.42/61,845.48
  6. Step 6: Final answer
    x = 42,743.86

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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.