Home / 68,806.67-94,953.17-40,120.79

Finding the Fourth Proportional to 68,806.67, 94,953.17 and 40,120.79

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Solution

The fourth proportional to 68,806.67, 94,953.17 and 40,120.79 is: 55,366.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,806.67 : 94,953.17 = 40,120.79 : x
  2. Step 2: Convert to fraction form
    68,806.67/94,953.17 = 40,120.79/x
  3. Step 3: Cross multiply
    68,806.67x = 94,953.17 × 40,120.79
  4. Step 4: Simplify right side
    68,806.67x = 3,809,596,193.40
  5. Step 5: Solve for x
    x = 3,809,596,193.40/68,806.67
  6. Step 6: Final answer
    x = 55,366.67

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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.