Home / 104,090.11-156,111.81-47,876.21

Finding the Fourth Proportional to 104,090.11, 156,111.81 and 47,876.21

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Solution

The fourth proportional to 104,090.11, 156,111.81 and 47,876.21 is: 71,803.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,090.11 : 156,111.81 = 47,876.21 : x
  2. Step 2: Convert to fraction form
    104,090.11/156,111.81 = 47,876.21/x
  3. Step 3: Cross multiply
    104,090.11x = 156,111.81 × 47,876.21
  4. Step 4: Simplify right side
    104,090.11x = 7,474,042,069.63
  5. Step 5: Solve for x
    x = 7,474,042,069.63/104,090.11
  6. Step 6: Final answer
    x = 71,803.58

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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.