Home / 65,996.07-91,074.87-35,781.36

Finding the Fourth Proportional to 65,996.07, 91,074.87 and 35,781.36

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Solution

The fourth proportional to 65,996.07, 91,074.87 and 35,781.36 is: 49,378.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,996.07 : 91,074.87 = 35,781.36 : x
  2. Step 2: Convert to fraction form
    65,996.07/91,074.87 = 35,781.36/x
  3. Step 3: Cross multiply
    65,996.07x = 91,074.87 × 35,781.36
  4. Step 4: Simplify right side
    65,996.07x = 3,258,782,710.42
  5. Step 5: Solve for x
    x = 3,258,782,710.42/65,996.07
  6. Step 6: Final answer
    x = 49,378.44

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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.