Home / 69,425.99-104,139-16,835.46

Finding the Fourth Proportional to 69,425.99, 104,139 and 16,835.46

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Solution

The fourth proportional to 69,425.99, 104,139 and 16,835.46 is: 25,253.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,425.99 : 104,139 = 16,835.46 : x
  2. Step 2: Convert to fraction form
    69,425.99/104,139 = 16,835.46/x
  3. Step 3: Cross multiply
    69,425.99x = 104,139 × 16,835.46
  4. Step 4: Simplify right side
    69,425.99x = 1,753,227,968.94
  5. Step 5: Solve for x
    x = 1,753,227,968.94/69,425.99
  6. Step 6: Final answer
    x = 25,253.20

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1.5x scale

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.