Home / 45,748.46-68,622.70-30,162.44

Finding the Fourth Proportional to 45,748.46, 68,622.70 and 30,162.44

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Solution

The fourth proportional to 45,748.46, 68,622.70 and 30,162.44 is: 45,243.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,748.46 : 68,622.70 = 30,162.44 : x
  2. Step 2: Convert to fraction form
    45,748.46/68,622.70 = 30,162.44/x
  3. Step 3: Cross multiply
    45,748.46x = 68,622.70 × 30,162.44
  4. Step 4: Simplify right side
    45,748.46x = 2,069,828,071.39
  5. Step 5: Solve for x
    x = 2,069,828,071.39/45,748.46
  6. Step 6: Final answer
    x = 45,243.67

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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.