Home / 67,387.19-92,986.89-39,087.41

Finding the Fourth Proportional to 67,387.19, 92,986.89 and 39,087.41

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Solution

The fourth proportional to 67,387.19, 92,986.89 and 39,087.41 is: 53,936.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,387.19 : 92,986.89 = 39,087.41 : x
  2. Step 2: Convert to fraction form
    67,387.19/92,986.89 = 39,087.41/x
  3. Step 3: Cross multiply
    67,387.19x = 92,986.89 × 39,087.41
  4. Step 4: Simplify right side
    67,387.19x = 3,634,616,694.05
  5. Step 5: Solve for x
    x = 3,634,616,694.05/67,387.19
  6. Step 6: Final answer
    x = 53,936.31

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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.