Home / 66,071.45-91,179.27-35,857.04

Finding the Fourth Proportional to 66,071.45, 91,179.27 and 35,857.04

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Solution

The fourth proportional to 66,071.45, 91,179.27 and 35,857.04 is: 49,483.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,071.45 : 91,179.27 = 35,857.04 : x
  2. Step 2: Convert to fraction form
    66,071.45/91,179.27 = 35,857.04/x
  3. Step 3: Cross multiply
    66,071.45x = 91,179.27 × 35,857.04
  4. Step 4: Simplify right side
    66,071.45x = 3,269,418,731.56
  5. Step 5: Solve for x
    x = 3,269,418,731.56/66,071.45
  6. Step 6: Final answer
    x = 49,483.08

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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.