Home / 116,932.69-161,328.81-71,563.33

Finding the Fourth Proportional to 116,932.69, 161,328.81 and 71,563.33

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Solution

The fourth proportional to 116,932.69, 161,328.81 and 71,563.33 is: 98,733.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,932.69 : 161,328.81 = 71,563.33 : x
  2. Step 2: Convert to fraction form
    116,932.69/161,328.81 = 71,563.33/x
  3. Step 3: Cross multiply
    116,932.69x = 161,328.81 × 71,563.33
  4. Step 4: Simplify right side
    116,932.69x = 11,545,226,868.54
  5. Step 5: Solve for x
    x = 11,545,226,868.54/116,932.69
  6. Step 6: Final answer
    x = 98,733.95

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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.