Home / 76,634.17-114,954.27-26,719.36

Finding the Fourth Proportional to 76,634.17, 114,954.27 and 26,719.36

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Solution

The fourth proportional to 76,634.17, 114,954.27 and 26,719.36 is: 40,080.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,634.17 : 114,954.27 = 26,719.36 : x
  2. Step 2: Convert to fraction form
    76,634.17/114,954.27 = 26,719.36/x
  3. Step 3: Cross multiply
    76,634.17x = 114,954.27 × 26,719.36
  4. Step 4: Simplify right side
    76,634.17x = 3,071,504,523.67
  5. Step 5: Solve for x
    x = 3,071,504,523.67/76,634.17
  6. Step 6: Final answer
    x = 40,080.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.