Home / 108,120.89-162,210.94-52,007.94

Finding the Fourth Proportional to 108,120.89, 162,210.94 and 52,007.94

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Solution

The fourth proportional to 108,120.89, 162,210.94 and 52,007.94 is: 78,026.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,120.89 : 162,210.94 = 52,007.94 : x
  2. Step 2: Convert to fraction form
    108,120.89/162,210.94 = 52,007.94/x
  3. Step 3: Cross multiply
    108,120.89x = 162,210.94 × 52,007.94
  4. Step 4: Simplify right side
    108,120.89x = 8,436,256,704.84
  5. Step 5: Solve for x
    x = 8,436,256,704.84/108,120.89
  6. Step 6: Final answer
    x = 78,026.15

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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.