Home / 68,176.71-102,144.06-58,215.33

Finding the Fourth Proportional to 68,176.71, 102,144.06 and 58,215.33

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Solution

The fourth proportional to 68,176.71, 102,144.06 and 58,215.33 is: 87,219.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,176.71 : 102,144.06 = 58,215.33 : x
  2. Step 2: Convert to fraction form
    68,176.71/102,144.06 = 58,215.33/x
  3. Step 3: Cross multiply
    68,176.71x = 102,144.06 × 58,215.33
  4. Step 4: Simplify right side
    68,176.71x = 5,946,350,160.44
  5. Step 5: Solve for x
    x = 5,946,350,160.44/68,176.71
  6. Step 6: Final answer
    x = 87,219.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.