Home / 66,226.26-91,391.74-36,011.60

Finding the Fourth Proportional to 66,226.26, 91,391.74 and 36,011.60

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Solution

The fourth proportional to 66,226.26, 91,391.74 and 36,011.60 is: 49,695.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,226.26 : 91,391.74 = 36,011.60 : x
  2. Step 2: Convert to fraction form
    66,226.26/91,391.74 = 36,011.60/x
  3. Step 3: Cross multiply
    66,226.26x = 91,391.74 × 36,011.60
  4. Step 4: Simplify right side
    66,226.26x = 3,291,162,784.18
  5. Step 5: Solve for x
    x = 3,291,162,784.18/66,226.26
  6. Step 6: Final answer
    x = 49,695.74

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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.