Home / 47,110.56-65,021.76-31,195.68

Finding the Fourth Proportional to 47,110.56, 65,021.76 and 31,195.68

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Solution

The fourth proportional to 47,110.56, 65,021.76 and 31,195.68 is: 43,056.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,110.56 : 65,021.76 = 31,195.68 : x
  2. Step 2: Convert to fraction form
    47,110.56/65,021.76 = 31,195.68/x
  3. Step 3: Cross multiply
    47,110.56x = 65,021.76 × 31,195.68
  4. Step 4: Simplify right side
    47,110.56x = 2,028,398,018.00
  5. Step 5: Solve for x
    x = 2,028,398,018.00/47,110.56
  6. Step 6: Final answer
    x = 43,056.12

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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.