Home / 108,604.08-162,894.78-42,042.60

Finding the Fourth Proportional to 108,604.08, 162,894.78 and 42,042.60

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Solution

The fourth proportional to 108,604.08, 162,894.78 and 42,042.60 is: 63,059.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,604.08 : 162,894.78 = 42,042.60 : x
  2. Step 2: Convert to fraction form
    108,604.08/162,894.78 = 42,042.60/x
  3. Step 3: Cross multiply
    108,604.08x = 162,894.78 × 42,042.60
  4. Step 4: Simplify right side
    108,604.08x = 6,848,520,077.63
  5. Step 5: Solve for x
    x = 6,848,520,077.63/108,604.08
  6. Step 6: Final answer
    x = 63,059.51

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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.