Home / 57,789.80-86,627.10-26,570.60

Finding the Fourth Proportional to 57,789.80, 86,627.10 and 26,570.60

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Solution

The fourth proportional to 57,789.80, 86,627.10 and 26,570.60 is: 39,829.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,789.80 : 86,627.10 = 26,570.60 : x
  2. Step 2: Convert to fraction form
    57,789.80/86,627.10 = 26,570.60/x
  3. Step 3: Cross multiply
    57,789.80x = 86,627.10 × 26,570.60
  4. Step 4: Simplify right side
    57,789.80x = 2,301,734,023.26
  5. Step 5: Solve for x
    x = 2,301,734,023.26/57,789.80
  6. Step 6: Final answer
    x = 39,829.42

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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.