Home / 49,984.58-68,986.29-28,762.42

Finding the Fourth Proportional to 49,984.58, 68,986.29 and 28,762.42

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Solution

The fourth proportional to 49,984.58, 68,986.29 and 28,762.42 is: 39,696.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,984.58 : 68,986.29 = 28,762.42 : x
  2. Step 2: Convert to fraction form
    49,984.58/68,986.29 = 28,762.42/x
  3. Step 3: Cross multiply
    49,984.58x = 68,986.29 × 28,762.42
  4. Step 4: Simplify right side
    49,984.58x = 1,984,212,647.22
  5. Step 5: Solve for x
    x = 1,984,212,647.22/49,984.58
  6. Step 6: Final answer
    x = 39,696.50

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1.5x scale

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.