Home / 49,759.07-68,681.99-39,757.19

Finding the Fourth Proportional to 49,759.07, 68,681.99 and 39,757.19

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Solution

The fourth proportional to 49,759.07, 68,681.99 and 39,757.19 is: 54,876.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,759.07 : 68,681.99 = 39,757.19 : x
  2. Step 2: Convert to fraction form
    49,759.07/68,681.99 = 39,757.19/x
  3. Step 3: Cross multiply
    49,759.07x = 68,681.99 × 39,757.19
  4. Step 4: Simplify right side
    49,759.07x = 2,730,602,681.99
  5. Step 5: Solve for x
    x = 2,730,602,681.99/49,759.07
  6. Step 6: Final answer
    x = 54,876.49

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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.