Home / 69,970.13-104,955.24-17,379.66

Finding the Fourth Proportional to 69,970.13, 104,955.24 and 17,379.66

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Solution

The fourth proportional to 69,970.13, 104,955.24 and 17,379.66 is: 26,069.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,970.13 : 104,955.24 = 17,379.66 : x
  2. Step 2: Convert to fraction form
    69,970.13/104,955.24 = 17,379.66/x
  3. Step 3: Cross multiply
    69,970.13x = 104,955.24 × 17,379.66
  4. Step 4: Simplify right side
    69,970.13x = 1,824,086,845.17
  5. Step 5: Solve for x
    x = 1,824,086,845.17/69,970.13
  6. Step 6: Final answer
    x = 26,069.51

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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.