Home / 47,803.37-65,922.86-31,645.08

Finding the Fourth Proportional to 47,803.37, 65,922.86 and 31,645.08

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Solution

The fourth proportional to 47,803.37, 65,922.86 and 31,645.08 is: 43,639.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,803.37 : 65,922.86 = 31,645.08 : x
  2. Step 2: Convert to fraction form
    47,803.37/65,922.86 = 31,645.08/x
  3. Step 3: Cross multiply
    47,803.37x = 65,922.86 × 31,645.08
  4. Step 4: Simplify right side
    47,803.37x = 2,086,134,257.64
  5. Step 5: Solve for x
    x = 2,086,134,257.64/47,803.37
  6. Step 6: Final answer
    x = 43,639.90

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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.