Home / 66,072.94-91,256.33-43,512.77

Finding the Fourth Proportional to 66,072.94, 91,256.33 and 43,512.77

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Solution

The fourth proportional to 66,072.94, 91,256.33 and 43,512.77 is: 60,097.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,072.94 : 91,256.33 = 43,512.77 : x
  2. Step 2: Convert to fraction form
    66,072.94/91,256.33 = 43,512.77/x
  3. Step 3: Cross multiply
    66,072.94x = 91,256.33 × 43,512.77
  4. Step 4: Simplify right side
    66,072.94x = 3,970,816,035.26
  5. Step 5: Solve for x
    x = 3,970,816,035.26/66,072.94
  6. Step 6: Final answer
    x = 60,097.46

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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.