Home / 108,285.16-162,407.94-49,106.56

Finding the Fourth Proportional to 108,285.16, 162,407.94 and 49,106.56

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Solution

The fourth proportional to 108,285.16, 162,407.94 and 49,106.56 is: 73,650.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,285.16 : 162,407.94 = 49,106.56 : x
  2. Step 2: Convert to fraction form
    108,285.16/162,407.94 = 49,106.56/x
  3. Step 3: Cross multiply
    108,285.16x = 162,407.94 × 49,106.56
  4. Step 4: Simplify right side
    108,285.16x = 7,975,295,250.09
  5. Step 5: Solve for x
    x = 7,975,295,250.09/108,285.16
  6. Step 6: Final answer
    x = 73,650.86

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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.