Home / 69,930.72-104,896.08-23,187.12

Finding the Fourth Proportional to 69,930.72, 104,896.08 and 23,187.12

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Solution

The fourth proportional to 69,930.72, 104,896.08 and 23,187.12 is: 34,780.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,930.72 : 104,896.08 = 23,187.12 : x
  2. Step 2: Convert to fraction form
    69,930.72/104,896.08 = 23,187.12/x
  3. Step 3: Cross multiply
    69,930.72x = 104,896.08 × 23,187.12
  4. Step 4: Simplify right side
    69,930.72x = 2,432,237,994.49
  5. Step 5: Solve for x
    x = 2,432,237,994.49/69,930.72
  6. Step 6: Final answer
    x = 34,780.68

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1.5x scale

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.