Home / 69,385.14-104,078.25-22,638.15

Finding the Fourth Proportional to 69,385.14, 104,078.25 and 22,638.15

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Solution

The fourth proportional to 69,385.14, 104,078.25 and 22,638.15 is: 33,957.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,385.14 : 104,078.25 = 22,638.15 : x
  2. Step 2: Convert to fraction form
    69,385.14/104,078.25 = 22,638.15/x
  3. Step 3: Cross multiply
    69,385.14x = 104,078.25 × 22,638.15
  4. Step 4: Simplify right side
    69,385.14x = 2,356,139,035.24
  5. Step 5: Solve for x
    x = 2,356,139,035.24/69,385.14
  6. Step 6: Final answer
    x = 33,957.40

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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.