Home / 68,513.80-94,561.07-39,842.33

Finding the Fourth Proportional to 68,513.80, 94,561.07 and 39,842.33

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Solution

The fourth proportional to 68,513.80, 94,561.07 and 39,842.33 is: 54,989.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,513.80 : 94,561.07 = 39,842.33 : x
  2. Step 2: Convert to fraction form
    68,513.80/94,561.07 = 39,842.33/x
  3. Step 3: Cross multiply
    68,513.80x = 94,561.07 × 39,842.33
  4. Step 4: Simplify right side
    68,513.80x = 3,767,533,356.09
  5. Step 5: Solve for x
    x = 3,767,533,356.09/68,513.80
  6. Step 6: Final answer
    x = 54,989.41

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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.