Home / 68,581.42-94,641.89-38,366.60

Finding the Fourth Proportional to 68,581.42, 94,641.89 and 38,366.60

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Solution

The fourth proportional to 68,581.42, 94,641.89 and 38,366.60 is: 52,945.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,581.42 : 94,641.89 = 38,366.60 : x
  2. Step 2: Convert to fraction form
    68,581.42/94,641.89 = 38,366.60/x
  3. Step 3: Cross multiply
    68,581.42x = 94,641.89 × 38,366.60
  4. Step 4: Simplify right side
    68,581.42x = 3,631,086,871.83
  5. Step 5: Solve for x
    x = 3,631,086,871.83/68,581.42
  6. Step 6: Final answer
    x = 52,945.64

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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.