Home / 51,456.77-77,105.44-35,692.45

Finding the Fourth Proportional to 51,456.77, 77,105.44 and 35,692.45

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Solution

The fourth proportional to 51,456.77, 77,105.44 and 35,692.45 is: 53,483.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,456.77 : 77,105.44 = 35,692.45 : x
  2. Step 2: Convert to fraction form
    51,456.77/77,105.44 = 35,692.45/x
  3. Step 3: Cross multiply
    51,456.77x = 77,105.44 × 35,692.45
  4. Step 4: Simplify right side
    51,456.77x = 2,752,081,676.40
  5. Step 5: Solve for x
    x = 2,752,081,676.40/51,456.77
  6. Step 6: Final answer
    x = 53,483.38

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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.