Home / 68,177.81-94,092.68-39,907.19

Finding the Fourth Proportional to 68,177.81, 94,092.68 and 39,907.19

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Solution

The fourth proportional to 68,177.81, 94,092.68 and 39,907.19 is: 55,076.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,177.81 : 94,092.68 = 39,907.19 : x
  2. Step 2: Convert to fraction form
    68,177.81/94,092.68 = 39,907.19/x
  3. Step 3: Cross multiply
    68,177.81x = 94,092.68 × 39,907.19
  4. Step 4: Simplify right side
    68,177.81x = 3,754,974,793.37
  5. Step 5: Solve for x
    x = 3,754,974,793.37/68,177.81
  6. Step 6: Final answer
    x = 55,076.20

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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.