Home / 71,090.21-98,059.43-54,057.11

Finding the Fourth Proportional to 71,090.21, 98,059.43 and 54,057.11

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Solution

The fourth proportional to 71,090.21, 98,059.43 and 54,057.11 is: 74,564.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,090.21 : 98,059.43 = 54,057.11 : x
  2. Step 2: Convert to fraction form
    71,090.21/98,059.43 = 54,057.11/x
  3. Step 3: Cross multiply
    71,090.21x = 98,059.43 × 54,057.11
  4. Step 4: Simplify right side
    71,090.21x = 5,300,809,514.46
  5. Step 5: Solve for x
    x = 5,300,809,514.46/71,090.21
  6. Step 6: Final answer
    x = 74,564.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.