Home / 61,870.45-85,249.34-41,692.28

Finding the Fourth Proportional to 61,870.45, 85,249.34 and 41,692.28

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Solution

The fourth proportional to 61,870.45, 85,249.34 and 41,692.28 is: 57,446.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,870.45 : 85,249.34 = 41,692.28 : x
  2. Step 2: Convert to fraction form
    61,870.45/85,249.34 = 41,692.28/x
  3. Step 3: Cross multiply
    61,870.45x = 85,249.34 × 41,692.28
  4. Step 4: Simplify right side
    61,870.45x = 3,554,239,357.76
  5. Step 5: Solve for x
    x = 3,554,239,357.76/61,870.45
  6. Step 6: Final answer
    x = 57,446.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.