Home / 66,850.64-92,256.44-38,174.97

Finding the Fourth Proportional to 66,850.64, 92,256.44 and 38,174.97

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Solution

The fourth proportional to 66,850.64, 92,256.44 and 38,174.97 is: 52,682.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,850.64 : 92,256.44 = 38,174.97 : x
  2. Step 2: Convert to fraction form
    66,850.64/92,256.44 = 38,174.97/x
  3. Step 3: Cross multiply
    66,850.64x = 92,256.44 × 38,174.97
  4. Step 4: Simplify right side
    66,850.64x = 3,521,886,829.31
  5. Step 5: Solve for x
    x = 3,521,886,829.31/66,850.64
  6. Step 6: Final answer
    x = 52,682.92

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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.