Home / 69,426.90-104,140.74-16,836.42

Finding the Fourth Proportional to 69,426.90, 104,140.74 and 16,836.42

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Solution

The fourth proportional to 69,426.90, 104,140.74 and 16,836.42 is: 25,254.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,426.90 : 104,140.74 = 16,836.42 : x
  2. Step 2: Convert to fraction form
    69,426.90/104,140.74 = 16,836.42/x
  3. Step 3: Cross multiply
    69,426.90x = 104,140.74 × 16,836.42
  4. Step 4: Simplify right side
    69,426.90x = 1,753,357,237.75
  5. Step 5: Solve for x
    x = 1,753,357,237.75/69,426.90
  6. Step 6: Final answer
    x = 25,254.72

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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.