Home / 66,181.57-91,330.26-35,966.32

Finding the Fourth Proportional to 66,181.57, 91,330.26 and 35,966.32

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Solution

The fourth proportional to 66,181.57, 91,330.26 and 35,966.32 is: 49,633.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,181.57 : 91,330.26 = 35,966.32 : x
  2. Step 2: Convert to fraction form
    66,181.57/91,330.26 = 35,966.32/x
  3. Step 3: Cross multiply
    66,181.57x = 91,330.26 × 35,966.32
  4. Step 4: Simplify right side
    66,181.57x = 3,284,813,356.84
  5. Step 5: Solve for x
    x = 3,284,813,356.84/66,181.57
  6. Step 6: Final answer
    x = 49,633.35

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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.