Home / 56,299.25-77,692.16-30,805.11

Finding the Fourth Proportional to 56,299.25, 77,692.16 and 30,805.11

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Solution

The fourth proportional to 56,299.25, 77,692.16 and 30,805.11 is: 42,510.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,299.25 : 77,692.16 = 30,805.11 : x
  2. Step 2: Convert to fraction form
    56,299.25/77,692.16 = 30,805.11/x
  3. Step 3: Cross multiply
    56,299.25x = 77,692.16 × 30,805.11
  4. Step 4: Simplify right side
    56,299.25x = 2,393,315,611.95
  5. Step 5: Solve for x
    x = 2,393,315,611.95/56,299.25
  6. Step 6: Final answer
    x = 42,510.61

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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.