Home / 45,576.17-68,355.60-19,299.36

Finding the Fourth Proportional to 45,576.17, 68,355.60 and 19,299.36

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Solution

The fourth proportional to 45,576.17, 68,355.60 and 19,299.36 is: 28,945.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,576.17 : 68,355.60 = 19,299.36 : x
  2. Step 2: Convert to fraction form
    45,576.17/68,355.60 = 19,299.36/x
  3. Step 3: Cross multiply
    45,576.17x = 68,355.60 × 19,299.36
  4. Step 4: Simplify right side
    45,576.17x = 1,319,219,516.38
  5. Step 5: Solve for x
    x = 1,319,219,516.38/45,576.17
  6. Step 6: Final answer
    x = 28,945.38

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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.