Home / 69,714.86-104,572.64-17,124.36

Finding the Fourth Proportional to 69,714.86, 104,572.64 and 17,124.36

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Solution

The fourth proportional to 69,714.86, 104,572.64 and 17,124.36 is: 25,686.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,714.86 : 104,572.64 = 17,124.36 : x
  2. Step 2: Convert to fraction form
    69,714.86/104,572.64 = 17,124.36/x
  3. Step 3: Cross multiply
    69,714.86x = 104,572.64 × 17,124.36
  4. Step 4: Simplify right side
    69,714.86x = 1,790,739,533.51
  5. Step 5: Solve for x
    x = 1,790,739,533.51/69,714.86
  6. Step 6: Final answer
    x = 25,686.63

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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.