Home / 66,087.09-91,200.27-35,872.39

Finding the Fourth Proportional to 66,087.09, 91,200.27 and 35,872.39

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Solution

The fourth proportional to 66,087.09, 91,200.27 and 35,872.39 is: 49,503.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,087.09 : 91,200.27 = 35,872.39 : x
  2. Step 2: Convert to fraction form
    66,087.09/91,200.27 = 35,872.39/x
  3. Step 3: Cross multiply
    66,087.09x = 91,200.27 × 35,872.39
  4. Step 4: Simplify right side
    66,087.09x = 3,271,571,653.55
  5. Step 5: Solve for x
    x = 3,271,571,653.55/66,087.09
  6. Step 6: Final answer
    x = 49,503.94

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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.