Home / 69,776.30-96,288.36-39,563.66

Finding the Fourth Proportional to 69,776.30, 96,288.36 and 39,563.66

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Solution

The fourth proportional to 69,776.30, 96,288.36 and 39,563.66 is: 54,596.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,776.30 : 96,288.36 = 39,563.66 : x
  2. Step 2: Convert to fraction form
    69,776.30/96,288.36 = 39,563.66/x
  3. Step 3: Cross multiply
    69,776.30x = 96,288.36 × 39,563.66
  4. Step 4: Simplify right side
    69,776.30x = 3,809,519,937.00
  5. Step 5: Solve for x
    x = 3,809,519,937.00/69,776.30
  6. Step 6: Final answer
    x = 54,596.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.