Home / 66,754.04-92,091.24-39,883.10

Finding the Fourth Proportional to 66,754.04, 92,091.24 and 39,883.10

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Solution

The fourth proportional to 66,754.04, 92,091.24 and 39,883.10 is: 55,021.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,754.04 : 92,091.24 = 39,883.10 : x
  2. Step 2: Convert to fraction form
    66,754.04/92,091.24 = 39,883.10/x
  3. Step 3: Cross multiply
    66,754.04x = 92,091.24 × 39,883.10
  4. Step 4: Simplify right side
    66,754.04x = 3,672,883,673.59
  5. Step 5: Solve for x
    x = 3,672,883,673.59/66,754.04
  6. Step 6: Final answer
    x = 55,021.15

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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.