Home / 58,664.37-81,023.65-39,768.69

Finding the Fourth Proportional to 58,664.37, 81,023.65 and 39,768.69

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Solution

The fourth proportional to 58,664.37, 81,023.65 and 39,768.69 is: 54,926.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,664.37 : 81,023.65 = 39,768.69 : x
  2. Step 2: Convert to fraction form
    58,664.37/81,023.65 = 39,768.69/x
  3. Step 3: Cross multiply
    58,664.37x = 81,023.65 × 39,768.69
  4. Step 4: Simplify right side
    58,664.37x = 3,222,204,419.52
  5. Step 5: Solve for x
    x = 3,222,204,419.52/58,664.37
  6. Step 6: Final answer
    x = 54,926.09

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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.