Home / 66,028.68-91,120.04-35,814.16

Finding the Fourth Proportional to 66,028.68, 91,120.04 and 35,814.16

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Solution

The fourth proportional to 66,028.68, 91,120.04 and 35,814.16 is: 49,423.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,028.68 : 91,120.04 = 35,814.16 : x
  2. Step 2: Convert to fraction form
    66,028.68/91,120.04 = 35,814.16/x
  3. Step 3: Cross multiply
    66,028.68x = 91,120.04 × 35,814.16
  4. Step 4: Simplify right side
    66,028.68x = 3,263,387,691.77
  5. Step 5: Solve for x
    x = 3,263,387,691.77/66,028.68
  6. Step 6: Final answer
    x = 49,423.79

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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.