Home / 64,628.62-89,127.30-41,943.36

Finding the Fourth Proportional to 64,628.62, 89,127.30 and 41,943.36

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Solution

The fourth proportional to 64,628.62, 89,127.30 and 41,943.36 is: 57,842.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,628.62 : 89,127.30 = 41,943.36 : x
  2. Step 2: Convert to fraction form
    64,628.62/89,127.30 = 41,943.36/x
  3. Step 3: Cross multiply
    64,628.62x = 89,127.30 × 41,943.36
  4. Step 4: Simplify right side
    64,628.62x = 3,738,298,429.73
  5. Step 5: Solve for x
    x = 3,738,298,429.73/64,628.62
  6. Step 6: Final answer
    x = 57,842.77

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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.