Home / 47,586.06-65,739.86-31,271.85

Finding the Fourth Proportional to 47,586.06, 65,739.86 and 31,271.85

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Solution

The fourth proportional to 47,586.06, 65,739.86 and 31,271.85 is: 43,201.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,586.06 : 65,739.86 = 31,271.85 : x
  2. Step 2: Convert to fraction form
    47,586.06/65,739.86 = 31,271.85/x
  3. Step 3: Cross multiply
    47,586.06x = 65,739.86 × 31,271.85
  4. Step 4: Simplify right side
    47,586.06x = 2,055,807,040.94
  5. Step 5: Solve for x
    x = 2,055,807,040.94/47,586.06
  6. Step 6: Final answer
    x = 43,201.88

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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.