Home / 116,785.92-161,165.79-66,488.16

Finding the Fourth Proportional to 116,785.92, 161,165.79 and 66,488.16

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Solution

The fourth proportional to 116,785.92, 161,165.79 and 66,488.16 is: 91,754.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,785.92 : 161,165.79 = 66,488.16 : x
  2. Step 2: Convert to fraction form
    116,785.92/161,165.79 = 66,488.16/x
  3. Step 3: Cross multiply
    116,785.92x = 161,165.79 × 66,488.16
  4. Step 4: Simplify right side
    116,785.92x = 10,715,616,832.05
  5. Step 5: Solve for x
    x = 10,715,616,832.05/116,785.92
  6. Step 6: Final answer
    x = 91,754.36

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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.