Home / 57,301.80-85,942.76-15,739.08

Finding the Fourth Proportional to 57,301.80, 85,942.76 and 15,739.08

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Solution

The fourth proportional to 57,301.80, 85,942.76 and 15,739.08 is: 23,605.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,301.80 : 85,942.76 = 15,739.08 : x
  2. Step 2: Convert to fraction form
    57,301.80/85,942.76 = 15,739.08/x
  3. Step 3: Cross multiply
    57,301.80x = 85,942.76 × 15,739.08
  4. Step 4: Simplify right side
    57,301.80x = 1,352,659,975.06
  5. Step 5: Solve for x
    x = 1,352,659,975.06/57,301.80
  6. Step 6: Final answer
    x = 23,605.89

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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.