Home / 55,559.80-76,653.46-31,669.24

Finding the Fourth Proportional to 55,559.80, 76,653.46 and 31,669.24

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Solution

The fourth proportional to 55,559.80, 76,653.46 and 31,669.24 is: 43,692.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,559.80 : 76,653.46 = 31,669.24 : x
  2. Step 2: Convert to fraction form
    55,559.80/76,653.46 = 31,669.24/x
  3. Step 3: Cross multiply
    55,559.80x = 76,653.46 × 31,669.24
  4. Step 4: Simplify right side
    55,559.80x = 2,427,556,821.57
  5. Step 5: Solve for x
    x = 2,427,556,821.57/55,559.80
  6. Step 6: Final answer
    x = 43,692.68

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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.