Home / 69,401.13-104,101.60-16,810.47

Finding the Fourth Proportional to 69,401.13, 104,101.60 and 16,810.47

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Solution

The fourth proportional to 69,401.13, 104,101.60 and 16,810.47 is: 25,215.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,401.13 : 104,101.60 = 16,810.47 : x
  2. Step 2: Convert to fraction form
    69,401.13/104,101.60 = 16,810.47/x
  3. Step 3: Cross multiply
    69,401.13x = 104,101.60 × 16,810.47
  4. Step 4: Simplify right side
    69,401.13x = 1,749,996,823.75
  5. Step 5: Solve for x
    x = 1,749,996,823.75/69,401.13
  6. Step 6: Final answer
    x = 25,215.68

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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.