Home / 69,669.04-104,577.36-43,392.28

Finding the Fourth Proportional to 69,669.04, 104,577.36 and 43,392.28

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Solution

The fourth proportional to 69,669.04, 104,577.36 and 43,392.28 is: 65,134.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,669.04 : 104,577.36 = 43,392.28 : x
  2. Step 2: Convert to fraction form
    69,669.04/104,577.36 = 43,392.28/x
  3. Step 3: Cross multiply
    69,669.04x = 104,577.36 × 43,392.28
  4. Step 4: Simplify right side
    69,669.04x = 4,537,850,086.78
  5. Step 5: Solve for x
    x = 4,537,850,086.78/69,669.04
  6. Step 6: Final answer
    x = 65,134.39

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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.