Home / 54,829.10-82,280.10-31,136.60

Finding the Fourth Proportional to 54,829.10, 82,280.10 and 31,136.60

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Solution

The fourth proportional to 54,829.10, 82,280.10 and 31,136.60 is: 46,725.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,829.10 : 82,280.10 = 31,136.60 : x
  2. Step 2: Convert to fraction form
    54,829.10/82,280.10 = 31,136.60/x
  3. Step 3: Cross multiply
    54,829.10x = 82,280.10 × 31,136.60
  4. Step 4: Simplify right side
    54,829.10x = 2,561,922,561.66
  5. Step 5: Solve for x
    x = 2,561,922,561.66/54,829.10
  6. Step 6: Final answer
    x = 46,725.60

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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.