Home / 116,959.41-161,406.90-71,662.35

Finding the Fourth Proportional to 116,959.41, 161,406.90 and 71,662.35

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Solution

The fourth proportional to 116,959.41, 161,406.90 and 71,662.35 is: 98,895.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,959.41 : 161,406.90 = 71,662.35 : x
  2. Step 2: Convert to fraction form
    116,959.41/161,406.90 = 71,662.35/x
  3. Step 3: Cross multiply
    116,959.41x = 161,406.90 × 71,662.35
  4. Step 4: Simplify right side
    116,959.41x = 11,566,797,760.22
  5. Step 5: Solve for x
    x = 11,566,797,760.22/116,959.41
  6. Step 6: Final answer
    x = 98,895.83

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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.