Home / 66,855.47-92,201.66-41,357.78

Finding the Fourth Proportional to 66,855.47, 92,201.66 and 41,357.78

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Solution

The fourth proportional to 66,855.47, 92,201.66 and 41,357.78 is: 57,037.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,855.47 : 92,201.66 = 41,357.78 : x
  2. Step 2: Convert to fraction form
    66,855.47/92,201.66 = 41,357.78/x
  3. Step 3: Cross multiply
    66,855.47x = 92,201.66 × 41,357.78
  4. Step 4: Simplify right side
    66,855.47x = 3,813,255,763.13
  5. Step 5: Solve for x
    x = 3,813,255,763.13/66,855.47
  6. Step 6: Final answer
    x = 57,037.31

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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.