Home / 69,844.92-104,783.66-19,925.70

Finding the Fourth Proportional to 69,844.92, 104,783.66 and 19,925.70

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Solution

The fourth proportional to 69,844.92, 104,783.66 and 19,925.70 is: 29,893.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,844.92 : 104,783.66 = 19,925.70 : x
  2. Step 2: Convert to fraction form
    69,844.92/104,783.66 = 19,925.70/x
  3. Step 3: Cross multiply
    69,844.92x = 104,783.66 × 19,925.70
  4. Step 4: Simplify right side
    69,844.92x = 2,087,887,774.06
  5. Step 5: Solve for x
    x = 2,087,887,774.06/69,844.92
  6. Step 6: Final answer
    x = 29,893.19

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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.