Home / 68,217.48-94,140.30-39,542.67

Finding the Fourth Proportional to 68,217.48, 94,140.30 and 39,542.67

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Solution

The fourth proportional to 68,217.48, 94,140.30 and 39,542.67 is: 54,568.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,217.48 : 94,140.30 = 39,542.67 : x
  2. Step 2: Convert to fraction form
    68,217.48/94,140.30 = 39,542.67/x
  3. Step 3: Cross multiply
    68,217.48x = 94,140.30 × 39,542.67
  4. Step 4: Simplify right side
    68,217.48x = 3,722,558,816.60
  5. Step 5: Solve for x
    x = 3,722,558,816.60/68,217.48
  6. Step 6: Final answer
    x = 54,568.99

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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.