Home / 81,450.86-112,405.32-47,481.26

Finding the Fourth Proportional to 81,450.86, 112,405.32 and 47,481.26

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Solution

The fourth proportional to 81,450.86, 112,405.32 and 47,481.26 is: 65,525.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,450.86 : 112,405.32 = 47,481.26 : x
  2. Step 2: Convert to fraction form
    81,450.86/112,405.32 = 47,481.26/x
  3. Step 3: Cross multiply
    81,450.86x = 112,405.32 × 47,481.26
  4. Step 4: Simplify right side
    81,450.86x = 5,337,145,662.28
  5. Step 5: Solve for x
    x = 5,337,145,662.28/81,450.86
  6. Step 6: Final answer
    x = 65,525.96

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1.5x scale

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.