Home / 69,659.12-104,490.65-17,068.55

Finding the Fourth Proportional to 69,659.12, 104,490.65 and 17,068.55

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Solution

The fourth proportional to 69,659.12, 104,490.65 and 17,068.55 is: 25,603.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,659.12 : 104,490.65 = 17,068.55 : x
  2. Step 2: Convert to fraction form
    69,659.12/104,490.65 = 17,068.55/x
  3. Step 3: Cross multiply
    69,659.12x = 104,490.65 × 17,068.55
  4. Step 4: Simplify right side
    69,659.12x = 1,783,503,404.28
  5. Step 5: Solve for x
    x = 1,783,503,404.28/69,659.12
  6. Step 6: Final answer
    x = 25,603.30

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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.