Home / 66,190.44-91,341.18-37,893.72

Finding the Fourth Proportional to 66,190.44, 91,341.18 and 37,893.72

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Solution

The fourth proportional to 66,190.44, 91,341.18 and 37,893.72 is: 52,292.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,190.44 : 91,341.18 = 37,893.72 : x
  2. Step 2: Convert to fraction form
    66,190.44/91,341.18 = 37,893.72/x
  3. Step 3: Cross multiply
    66,190.44x = 91,341.18 × 37,893.72
  4. Step 4: Simplify right side
    66,190.44x = 3,461,257,099.39
  5. Step 5: Solve for x
    x = 3,461,257,099.39/66,190.44
  6. Step 6: Final answer
    x = 52,292.40

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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.