Home / 55,559.75-76,672.46-30,409.25

Finding the Fourth Proportional to 55,559.75, 76,672.46 and 30,409.25

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Solution

The fourth proportional to 55,559.75, 76,672.46 and 30,409.25 is: 41,964.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,559.75 : 76,672.46 = 30,409.25 : x
  2. Step 2: Convert to fraction form
    55,559.75/76,672.46 = 30,409.25/x
  3. Step 3: Cross multiply
    55,559.75x = 76,672.46 × 30,409.25
  4. Step 4: Simplify right side
    55,559.75x = 2,331,551,852.21
  5. Step 5: Solve for x
    x = 2,331,551,852.21/55,559.75
  6. Step 6: Final answer
    x = 41,964.77

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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.