Home / 54,433.18-81,543.93-39,611.26

Finding the Fourth Proportional to 54,433.18, 81,543.93 and 39,611.26

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Solution

The fourth proportional to 54,433.18, 81,543.93 and 39,611.26 is: 59,339.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,433.18 : 81,543.93 = 39,611.26 : x
  2. Step 2: Convert to fraction form
    54,433.18/81,543.93 = 39,611.26/x
  3. Step 3: Cross multiply
    54,433.18x = 81,543.93 × 39,611.26
  4. Step 4: Simplify right side
    54,433.18x = 3,230,057,812.65
  5. Step 5: Solve for x
    x = 3,230,057,812.65/54,433.18
  6. Step 6: Final answer
    x = 59,339.87

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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.