Home / 82,810.08-124,137.90-32,880.60

Finding the Fourth Proportional to 82,810.08, 124,137.90 and 32,880.60

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Solution

The fourth proportional to 82,810.08, 124,137.90 and 32,880.60 is: 49,290.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,810.08 : 124,137.90 = 32,880.60 : x
  2. Step 2: Convert to fraction form
    82,810.08/124,137.90 = 32,880.60/x
  3. Step 3: Cross multiply
    82,810.08x = 124,137.90 × 32,880.60
  4. Step 4: Simplify right side
    82,810.08x = 4,081,728,634.74
  5. Step 5: Solve for x
    x = 4,081,728,634.74/82,810.08
  6. Step 6: Final answer
    x = 49,290.24

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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.