Home / 104,072.70-156,062.88-47,899.20

Finding the Fourth Proportional to 104,072.70, 156,062.88 and 47,899.20

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Solution

The fourth proportional to 104,072.70, 156,062.88 and 47,899.20 is: 71,827.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,072.70 : 156,062.88 = 47,899.20 : x
  2. Step 2: Convert to fraction form
    104,072.70/156,062.88 = 47,899.20/x
  3. Step 3: Cross multiply
    104,072.70x = 156,062.88 × 47,899.20
  4. Step 4: Simplify right side
    104,072.70x = 7,475,287,101.70
  5. Step 5: Solve for x
    x = 7,475,287,101.70/104,072.70
  6. Step 6: Final answer
    x = 71,827.55

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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.