Home / 116,690.58-161,036.28-71,367.75

Finding the Fourth Proportional to 116,690.58, 161,036.28 and 71,367.75

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Solution

The fourth proportional to 116,690.58, 161,036.28 and 71,367.75 is: 98,489.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,690.58 : 161,036.28 = 71,367.75 : x
  2. Step 2: Convert to fraction form
    116,690.58/161,036.28 = 71,367.75/x
  3. Step 3: Cross multiply
    116,690.58x = 161,036.28 × 71,367.75
  4. Step 4: Simplify right side
    116,690.58x = 11,492,796,971.97
  5. Step 5: Solve for x
    x = 11,492,796,971.97/116,690.58
  6. Step 6: Final answer
    x = 98,489.50

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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.