Home / 55,577.34-76,704.03-31,698.54

Finding the Fourth Proportional to 55,577.34, 76,704.03 and 31,698.54

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Solution

The fourth proportional to 55,577.34, 76,704.03 and 31,698.54 is: 43,748.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,577.34 : 76,704.03 = 31,698.54 : x
  2. Step 2: Convert to fraction form
    55,577.34/76,704.03 = 31,698.54/x
  3. Step 3: Cross multiply
    55,577.34x = 76,704.03 × 31,698.54
  4. Step 4: Simplify right side
    55,577.34x = 2,431,405,763.12
  5. Step 5: Solve for x
    x = 2,431,405,763.12/55,577.34
  6. Step 6: Final answer
    x = 43,748.15

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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.