Home / 55,149.79-82,733.92-43,303.09

Finding the Fourth Proportional to 55,149.79, 82,733.92 and 43,303.09

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Solution

The fourth proportional to 55,149.79, 82,733.92 and 43,303.09 is: 64,961.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,149.79 : 82,733.92 = 43,303.09 : x
  2. Step 2: Convert to fraction form
    55,149.79/82,733.92 = 43,303.09/x
  3. Step 3: Cross multiply
    55,149.79x = 82,733.92 × 43,303.09
  4. Step 4: Simplify right side
    55,149.79x = 3,582,634,383.81
  5. Step 5: Solve for x
    x = 3,582,634,383.81/55,149.79
  6. Step 6: Final answer
    x = 64,961.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.