Home / 65,841.23-90,860.61-35,627.09

Finding the Fourth Proportional to 65,841.23, 90,860.61 and 35,627.09

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Solution

The fourth proportional to 65,841.23, 90,860.61 and 35,627.09 is: 49,165.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,841.23 : 90,860.61 = 35,627.09 : x
  2. Step 2: Convert to fraction form
    65,841.23/90,860.61 = 35,627.09/x
  3. Step 3: Cross multiply
    65,841.23x = 90,860.61 × 35,627.09
  4. Step 4: Simplify right side
    65,841.23x = 3,237,099,129.92
  5. Step 5: Solve for x
    x = 3,237,099,129.92/65,841.23
  6. Step 6: Final answer
    x = 49,165.23

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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.