Home / 66,117.22-91,241.42-35,902.28

Finding the Fourth Proportional to 66,117.22, 91,241.42 and 35,902.28

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Solution

The fourth proportional to 66,117.22, 91,241.42 and 35,902.28 is: 49,544.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,117.22 : 91,241.42 = 35,902.28 : x
  2. Step 2: Convert to fraction form
    66,117.22/91,241.42 = 35,902.28/x
  3. Step 3: Cross multiply
    66,117.22x = 91,241.42 × 35,902.28
  4. Step 4: Simplify right side
    66,117.22x = 3,275,774,641.99
  5. Step 5: Solve for x
    x = 3,275,774,641.99/66,117.22
  6. Step 6: Final answer
    x = 49,544.96

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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.