Home / 47,581.08-65,556.14-31,419.60

Finding the Fourth Proportional to 47,581.08, 65,556.14 and 31,419.60

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Solution

The fourth proportional to 47,581.08, 65,556.14 and 31,419.60 is: 43,289.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,581.08 : 65,556.14 = 31,419.60 : x
  2. Step 2: Convert to fraction form
    47,581.08/65,556.14 = 31,419.60/x
  3. Step 3: Cross multiply
    47,581.08x = 65,556.14 × 31,419.60
  4. Step 4: Simplify right side
    47,581.08x = 2,059,747,539.25
  5. Step 5: Solve for x
    x = 2,059,747,539.25/47,581.08
  6. Step 6: Final answer
    x = 43,289.21

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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.