Home / 66,800.36-92,181.10-36,579.85

Finding the Fourth Proportional to 66,800.36, 92,181.10 and 36,579.85

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Solution

The fourth proportional to 66,800.36, 92,181.10 and 36,579.85 is: 50,478.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,800.36 : 92,181.10 = 36,579.85 : x
  2. Step 2: Convert to fraction form
    66,800.36/92,181.10 = 36,579.85/x
  3. Step 3: Cross multiply
    66,800.36x = 92,181.10 × 36,579.85
  4. Step 4: Simplify right side
    66,800.36x = 3,371,971,127.48
  5. Step 5: Solve for x
    x = 3,371,971,127.48/66,800.36
  6. Step 6: Final answer
    x = 50,478.34

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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.