Home / 55,450.66-76,525.54-31,257.58

Finding the Fourth Proportional to 55,450.66, 76,525.54 and 31,257.58

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Solution

The fourth proportional to 55,450.66, 76,525.54 and 31,257.58 is: 43,137.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,450.66 : 76,525.54 = 31,257.58 : x
  2. Step 2: Convert to fraction form
    55,450.66/76,525.54 = 31,257.58/x
  3. Step 3: Cross multiply
    55,450.66x = 76,525.54 × 31,257.58
  4. Step 4: Simplify right side
    55,450.66x = 2,392,003,188.59
  5. Step 5: Solve for x
    x = 2,392,003,188.59/55,450.66
  6. Step 6: Final answer
    x = 43,137.51

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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.