Home / 68,712.84-94,804.38-41,856.12

Finding the Fourth Proportional to 68,712.84, 94,804.38 and 41,856.12

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Solution

The fourth proportional to 68,712.84, 94,804.38 and 41,856.12 is: 57,749.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,712.84 : 94,804.38 = 41,856.12 : x
  2. Step 2: Convert to fraction form
    68,712.84/94,804.38 = 41,856.12/x
  3. Step 3: Cross multiply
    68,712.84x = 94,804.38 × 41,856.12
  4. Step 4: Simplify right side
    68,712.84x = 3,968,143,505.81
  5. Step 5: Solve for x
    x = 3,968,143,505.81/68,712.84
  6. Step 6: Final answer
    x = 57,749.67

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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.