Home / 86,286.63-119,112.27-58,008.72

Finding the Fourth Proportional to 86,286.63, 119,112.27 and 58,008.72

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Solution

The fourth proportional to 86,286.63, 119,112.27 and 58,008.72 is: 80,076.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,286.63 : 119,112.27 = 58,008.72 : x
  2. Step 2: Convert to fraction form
    86,286.63/119,112.27 = 58,008.72/x
  3. Step 3: Cross multiply
    86,286.63x = 119,112.27 × 58,008.72
  4. Step 4: Simplify right side
    86,286.63x = 6,909,550,318.99
  5. Step 5: Solve for x
    x = 6,909,550,318.99/86,286.63
  6. Step 6: Final answer
    x = 80,076.72

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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.