Home / 69,380.10-104,070.66-16,789.58

Finding the Fourth Proportional to 69,380.10, 104,070.66 and 16,789.58

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Solution

The fourth proportional to 69,380.10, 104,070.66 and 16,789.58 is: 25,184.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,380.10 : 104,070.66 = 16,789.58 : x
  2. Step 2: Convert to fraction form
    69,380.10/104,070.66 = 16,789.58/x
  3. Step 3: Cross multiply
    69,380.10x = 104,070.66 × 16,789.58
  4. Step 4: Simplify right side
    69,380.10x = 1,747,302,931.90
  5. Step 5: Solve for x
    x = 1,747,302,931.90/69,380.10
  6. Step 6: Final answer
    x = 25,184.50

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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.