Home / 61,121.32-91,683.26-19,568.20

Finding the Fourth Proportional to 61,121.32, 91,683.26 and 19,568.20

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Solution

The fourth proportional to 61,121.32, 91,683.26 and 19,568.20 is: 29,352.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,121.32 : 91,683.26 = 19,568.20 : x
  2. Step 2: Convert to fraction form
    61,121.32/91,683.26 = 19,568.20/x
  3. Step 3: Cross multiply
    61,121.32x = 91,683.26 × 19,568.20
  4. Step 4: Simplify right side
    61,121.32x = 1,794,076,368.33
  5. Step 5: Solve for x
    x = 1,794,076,368.33/61,121.32
  6. Step 6: Final answer
    x = 29,352.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.