Home / 116,696.92-161,042.72-66,399.16

Finding the Fourth Proportional to 116,696.92, 161,042.72 and 66,399.16

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Solution

The fourth proportional to 116,696.92, 161,042.72 and 66,399.16 is: 91,631.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,696.92 : 161,042.72 = 66,399.16 : x
  2. Step 2: Convert to fraction form
    116,696.92/161,042.72 = 66,399.16/x
  3. Step 3: Cross multiply
    116,696.92x = 161,042.72 × 66,399.16
  4. Step 4: Simplify right side
    116,696.92x = 10,693,101,332.12
  5. Step 5: Solve for x
    x = 10,693,101,332.12/116,696.92
  6. Step 6: Final answer
    x = 91,631.39

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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.