Home / 104,091.11-156,113.31-47,877.21

Finding the Fourth Proportional to 104,091.11, 156,113.31 and 47,877.21

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Solution

The fourth proportional to 104,091.11, 156,113.31 and 47,877.21 is: 71,805.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,091.11 : 156,113.31 = 47,877.21 : x
  2. Step 2: Convert to fraction form
    104,091.11/156,113.31 = 47,877.21/x
  3. Step 3: Cross multiply
    104,091.11x = 156,113.31 × 47,877.21
  4. Step 4: Simplify right side
    104,091.11x = 7,474,269,726.67
  5. Step 5: Solve for x
    x = 7,474,269,726.67/104,091.11
  6. Step 6: Final answer
    x = 71,805.07

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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.