Home / 57,195.41-85,779.42-19,756.80

Finding the Fourth Proportional to 57,195.41, 85,779.42 and 19,756.80

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Solution

The fourth proportional to 57,195.41, 85,779.42 and 19,756.80 is: 29,630.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,195.41 : 85,779.42 = 19,756.80 : x
  2. Step 2: Convert to fraction form
    57,195.41/85,779.42 = 19,756.80/x
  3. Step 3: Cross multiply
    57,195.41x = 85,779.42 × 19,756.80
  4. Step 4: Simplify right side
    57,195.41x = 1,694,726,845.06
  5. Step 5: Solve for x
    x = 1,694,726,845.06/57,195.41
  6. Step 6: Final answer
    x = 29,630.47

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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.