Home / 68,238.81-94,170.47-39,560.54

Finding the Fourth Proportional to 68,238.81, 94,170.47 and 39,560.54

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Solution

The fourth proportional to 68,238.81, 94,170.47 and 39,560.54 is: 54,594.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,238.81 : 94,170.47 = 39,560.54 : x
  2. Step 2: Convert to fraction form
    68,238.81/94,170.47 = 39,560.54/x
  3. Step 3: Cross multiply
    68,238.81x = 94,170.47 × 39,560.54
  4. Step 4: Simplify right side
    68,238.81x = 3,725,433,976.60
  5. Step 5: Solve for x
    x = 3,725,433,976.60/68,238.81
  6. Step 6: Final answer
    x = 54,594.06

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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.