Home / 116,695.08-161,042.49-71,372.25

Finding the Fourth Proportional to 116,695.08, 161,042.49 and 71,372.25

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Solution

The fourth proportional to 116,695.08, 161,042.49 and 71,372.25 is: 98,495.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,695.08 : 161,042.49 = 71,372.25 : x
  2. Step 2: Convert to fraction form
    116,695.08/161,042.49 = 71,372.25/x
  3. Step 3: Cross multiply
    116,695.08x = 161,042.49 × 71,372.25
  4. Step 4: Simplify right side
    116,695.08x = 11,493,964,856.90
  5. Step 5: Solve for x
    x = 11,493,964,856.90/116,695.08
  6. Step 6: Final answer
    x = 98,495.71

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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.