Home / 66,185.05-91,335.37-35,970.44

Finding the Fourth Proportional to 66,185.05, 91,335.37 and 35,970.44

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Solution

The fourth proportional to 66,185.05, 91,335.37 and 35,970.44 is: 49,639.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,185.05 : 91,335.37 = 35,970.44 : x
  2. Step 2: Convert to fraction form
    66,185.05/91,335.37 = 35,970.44/x
  3. Step 3: Cross multiply
    66,185.05x = 91,335.37 × 35,970.44
  4. Step 4: Simplify right side
    66,185.05x = 3,285,373,543.79
  5. Step 5: Solve for x
    x = 3,285,373,543.79/66,185.05
  6. Step 6: Final answer
    x = 49,639.21

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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.