Home / 66,028.68-91,118.93-35,814.69

Finding the Fourth Proportional to 66,028.68, 91,118.93 and 35,814.69

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Solution

The fourth proportional to 66,028.68, 91,118.93 and 35,814.69 is: 49,423.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,028.68 : 91,118.93 = 35,814.69 : x
  2. Step 2: Convert to fraction form
    66,028.68/91,118.93 = 35,814.69/x
  3. Step 3: Cross multiply
    66,028.68x = 91,118.93 × 35,814.69
  4. Step 4: Simplify right side
    66,028.68x = 3,263,396,052.01
  5. Step 5: Solve for x
    x = 3,263,396,052.01/66,028.68
  6. Step 6: Final answer
    x = 49,423.92

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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.