Home / 104,516.63-156,778.20-49,732.08

Finding the Fourth Proportional to 104,516.63, 156,778.20 and 49,732.08

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Solution

The fourth proportional to 104,516.63, 156,778.20 and 49,732.08 is: 74,599.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,516.63 : 156,778.20 = 49,732.08 : x
  2. Step 2: Convert to fraction form
    104,516.63/156,778.20 = 49,732.08/x
  3. Step 3: Cross multiply
    104,516.63x = 156,778.20 × 49,732.08
  4. Step 4: Simplify right side
    104,516.63x = 7,796,905,984.66
  5. Step 5: Solve for x
    x = 7,796,905,984.66/104,516.63
  6. Step 6: Final answer
    x = 74,599.67

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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.