Home / 54,243.65-81,380.15-49,038.59

Finding the Fourth Proportional to 54,243.65, 81,380.15 and 49,038.59

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Solution

The fourth proportional to 54,243.65, 81,380.15 and 49,038.59 is: 73,571.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,243.65 : 81,380.15 = 49,038.59 : x
  2. Step 2: Convert to fraction form
    54,243.65/81,380.15 = 49,038.59/x
  3. Step 3: Cross multiply
    54,243.65x = 81,380.15 × 49,038.59
  4. Step 4: Simplify right side
    54,243.65x = 3,990,767,157.89
  5. Step 5: Solve for x
    x = 3,990,767,157.89/54,243.65
  6. Step 6: Final answer
    x = 73,571.15

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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.