Home / 67,968.96-93,797.78-39,669.16

Finding the Fourth Proportional to 67,968.96, 93,797.78 and 39,669.16

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Solution

The fourth proportional to 67,968.96, 93,797.78 and 39,669.16 is: 54,743.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,968.96 : 93,797.78 = 39,669.16 : x
  2. Step 2: Convert to fraction form
    67,968.96/93,797.78 = 39,669.16/x
  3. Step 3: Cross multiply
    67,968.96x = 93,797.78 × 39,669.16
  4. Step 4: Simplify right side
    67,968.96x = 3,720,879,142.46
  5. Step 5: Solve for x
    x = 3,720,879,142.46/67,968.96
  6. Step 6: Final answer
    x = 54,743.80

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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.