Home / 68,291.73-94,239.59-39,996.81

Finding the Fourth Proportional to 68,291.73, 94,239.59 and 39,996.81

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Solution

The fourth proportional to 68,291.73, 94,239.59 and 39,996.81 is: 55,193.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,291.73 : 94,239.59 = 39,996.81 : x
  2. Step 2: Convert to fraction form
    68,291.73/94,239.59 = 39,996.81/x
  3. Step 3: Cross multiply
    68,291.73x = 94,239.59 × 39,996.81
  4. Step 4: Simplify right side
    68,291.73x = 3,769,282,775.72
  5. Step 5: Solve for x
    x = 3,769,282,775.72/68,291.73
  6. Step 6: Final answer
    x = 55,193.84

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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.