Home / 68,509.16-94,554.67-39,837.69

Finding the Fourth Proportional to 68,509.16, 94,554.67 and 39,837.69

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Solution

The fourth proportional to 68,509.16, 94,554.67 and 39,837.69 is: 54,983.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,509.16 : 94,554.67 = 39,837.69 : x
  2. Step 2: Convert to fraction form
    68,509.16/94,554.67 = 39,837.69/x
  3. Step 3: Cross multiply
    68,509.16x = 94,554.67 × 39,837.69
  4. Step 4: Simplify right side
    68,509.16x = 3,766,839,933.30
  5. Step 5: Solve for x
    x = 3,766,839,933.30/68,509.16
  6. Step 6: Final answer
    x = 54,983.01

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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.