Home / 66,122.57-91,248.20-37,441.49

Finding the Fourth Proportional to 66,122.57, 91,248.20 and 37,441.49

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Solution

The fourth proportional to 66,122.57, 91,248.20 and 37,441.49 is: 51,668.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,122.57 : 91,248.20 = 37,441.49 : x
  2. Step 2: Convert to fraction form
    66,122.57/91,248.20 = 37,441.49/x
  3. Step 3: Cross multiply
    66,122.57x = 91,248.20 × 37,441.49
  4. Step 4: Simplify right side
    66,122.57x = 3,416,468,111.58
  5. Step 5: Solve for x
    x = 3,416,468,111.58/66,122.57
  6. Step 6: Final answer
    x = 51,668.71

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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.