Home / 57,202.86-85,821.08-25,605.90

Finding the Fourth Proportional to 57,202.86, 85,821.08 and 25,605.90

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Solution

The fourth proportional to 57,202.86, 85,821.08 and 25,605.90 is: 38,416.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,202.86 : 85,821.08 = 25,605.90 : x
  2. Step 2: Convert to fraction form
    57,202.86/85,821.08 = 25,605.90/x
  3. Step 3: Cross multiply
    57,202.86x = 85,821.08 × 25,605.90
  4. Step 4: Simplify right side
    57,202.86x = 2,197,525,721.99
  5. Step 5: Solve for x
    x = 2,197,525,721.99/57,202.86
  6. Step 6: Final answer
    x = 38,416.36

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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.