Home / 66,755.04-92,092.62-39,884.10

Finding the Fourth Proportional to 66,755.04, 92,092.62 and 39,884.10

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Solution

The fourth proportional to 66,755.04, 92,092.62 and 39,884.10 is: 55,022.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,755.04 : 92,092.62 = 39,884.10 : x
  2. Step 2: Convert to fraction form
    66,755.04/92,092.62 = 39,884.10/x
  3. Step 3: Cross multiply
    66,755.04x = 92,092.62 × 39,884.10
  4. Step 4: Simplify right side
    66,755.04x = 3,673,031,265.34
  5. Step 5: Solve for x
    x = 3,673,031,265.34/66,755.04
  6. Step 6: Final answer
    x = 55,022.53

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1.5x scale

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.