Home / 66,821.13-92,215.45-36,606.44

Finding the Fourth Proportional to 66,821.13, 92,215.45 and 36,606.44

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Solution

The fourth proportional to 66,821.13, 92,215.45 and 36,606.44 is: 50,518.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,821.13 : 92,215.45 = 36,606.44 : x
  2. Step 2: Convert to fraction form
    66,821.13/92,215.45 = 36,606.44/x
  3. Step 3: Cross multiply
    66,821.13x = 92,215.45 × 36,606.44
  4. Step 4: Simplify right side
    66,821.13x = 3,375,679,337.50
  5. Step 5: Solve for x
    x = 3,375,679,337.50/66,821.13
  6. Step 6: Final answer
    x = 50,518.14

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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.