Home / 55,464.01-76,576.10-49,485.31

Finding the Fourth Proportional to 55,464.01, 76,576.10 and 49,485.31

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Solution

The fourth proportional to 55,464.01, 76,576.10 and 49,485.31 is: 68,321.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,464.01 : 76,576.10 = 49,485.31 : x
  2. Step 2: Convert to fraction form
    55,464.01/76,576.10 = 49,485.31/x
  3. Step 3: Cross multiply
    55,464.01x = 76,576.10 × 49,485.31
  4. Step 4: Simplify right side
    55,464.01x = 3,789,392,047.09
  5. Step 5: Solve for x
    x = 3,789,392,047.09/55,464.01
  6. Step 6: Final answer
    x = 68,321.64

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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.