Home / 57,693.57-86,533.35-15,570.43

Finding the Fourth Proportional to 57,693.57, 86,533.35 and 15,570.43

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Solution

The fourth proportional to 57,693.57, 86,533.35 and 15,570.43 is: 23,353.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,693.57 : 86,533.35 = 15,570.43 : x
  2. Step 2: Convert to fraction form
    57,693.57/86,533.35 = 15,570.43/x
  3. Step 3: Cross multiply
    57,693.57x = 86,533.35 × 15,570.43
  4. Step 4: Simplify right side
    57,693.57x = 1,347,361,194.12
  5. Step 5: Solve for x
    x = 1,347,361,194.12/57,693.57
  6. Step 6: Final answer
    x = 23,353.75

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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.