Home / 55,449.24-76,520.69-31,576.01

Finding the Fourth Proportional to 55,449.24, 76,520.69 and 31,576.01

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Solution

The fourth proportional to 55,449.24, 76,520.69 and 31,576.01 is: 43,575.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,449.24 : 76,520.69 = 31,576.01 : x
  2. Step 2: Convert to fraction form
    55,449.24/76,520.69 = 31,576.01/x
  3. Step 3: Cross multiply
    55,449.24x = 76,520.69 × 31,576.01
  4. Step 4: Simplify right side
    55,449.24x = 2,416,218,072.65
  5. Step 5: Solve for x
    x = 2,416,218,072.65/55,449.24
  6. Step 6: Final answer
    x = 43,575.31

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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.