Home / 69,700.32-104,552.40-17,109.60

Finding the Fourth Proportional to 69,700.32, 104,552.40 and 17,109.60

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Solution

The fourth proportional to 69,700.32, 104,552.40 and 17,109.60 is: 25,664.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,700.32 : 104,552.40 = 17,109.60 : x
  2. Step 2: Convert to fraction form
    69,700.32/104,552.40 = 17,109.60/x
  3. Step 3: Cross multiply
    69,700.32x = 104,552.40 × 17,109.60
  4. Step 4: Simplify right side
    69,700.32x = 1,788,849,743.04
  5. Step 5: Solve for x
    x = 1,788,849,743.04/69,700.32
  6. Step 6: Final answer
    x = 25,664.87

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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.