Home / 66,076.77-91,186.38-35,862.60

Finding the Fourth Proportional to 66,076.77, 91,186.38 and 35,862.60

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Solution

The fourth proportional to 66,076.77, 91,186.38 and 35,862.60 is: 49,490.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,076.77 : 91,186.38 = 35,862.60 : x
  2. Step 2: Convert to fraction form
    66,076.77/91,186.38 = 35,862.60/x
  3. Step 3: Cross multiply
    66,076.77x = 91,186.38 × 35,862.60
  4. Step 4: Simplify right side
    66,076.77x = 3,270,180,671.39
  5. Step 5: Solve for x
    x = 3,270,180,671.39/66,076.77
  6. Step 6: Final answer
    x = 49,490.63

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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.