Home / 66,093.86-91,209.56-35,879.17

Finding the Fourth Proportional to 66,093.86, 91,209.56 and 35,879.17

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Solution

The fourth proportional to 66,093.86, 91,209.56 and 35,879.17 is: 49,513.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,093.86 : 91,209.56 = 35,879.17 : x
  2. Step 2: Convert to fraction form
    66,093.86/91,209.56 = 35,879.17/x
  3. Step 3: Cross multiply
    66,093.86x = 91,209.56 × 35,879.17
  4. Step 4: Simplify right side
    66,093.86x = 3,272,523,308.87
  5. Step 5: Solve for x
    x = 3,272,523,308.87/66,093.86
  6. Step 6: Final answer
    x = 49,513.27

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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.