Home / 69,587.52-104,385.06-19,671.54

Finding the Fourth Proportional to 69,587.52, 104,385.06 and 19,671.54

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Solution

The fourth proportional to 69,587.52, 104,385.06 and 19,671.54 is: 29,508.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,587.52 : 104,385.06 = 19,671.54 : x
  2. Step 2: Convert to fraction form
    69,587.52/104,385.06 = 19,671.54/x
  3. Step 3: Cross multiply
    69,587.52x = 104,385.06 × 19,671.54
  4. Step 4: Simplify right side
    69,587.52x = 2,053,414,883.19
  5. Step 5: Solve for x
    x = 2,053,414,883.19/69,587.52
  6. Step 6: Final answer
    x = 29,508.38

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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.