Home / 66,190.29-91,343.53-35,975.61

Finding the Fourth Proportional to 66,190.29, 91,343.53 and 35,975.61

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Solution

The fourth proportional to 66,190.29, 91,343.53 and 35,975.61 is: 49,646.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,190.29 : 91,343.53 = 35,975.61 : x
  2. Step 2: Convert to fraction form
    66,190.29/91,343.53 = 35,975.61/x
  3. Step 3: Cross multiply
    66,190.29x = 91,343.53 × 35,975.61
  4. Step 4: Simplify right side
    66,190.29x = 3,286,138,868.77
  5. Step 5: Solve for x
    x = 3,286,138,868.77/66,190.29
  6. Step 6: Final answer
    x = 49,646.84

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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.