Home / 69,776.24-96,294.22-39,561.31

Finding the Fourth Proportional to 69,776.24, 96,294.22 and 39,561.31

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Solution

The fourth proportional to 69,776.24, 96,294.22 and 39,561.31 is: 54,596.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,776.24 : 96,294.22 = 39,561.31 : x
  2. Step 2: Convert to fraction form
    69,776.24/96,294.22 = 39,561.31/x
  3. Step 3: Cross multiply
    69,776.24x = 96,294.22 × 39,561.31
  4. Step 4: Simplify right side
    69,776.24x = 3,809,525,510.09
  5. Step 5: Solve for x
    x = 3,809,525,510.09/69,776.24
  6. Step 6: Final answer
    x = 54,596.32

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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.