Home / 86,286.67-119,112.34-58,008.76

Finding the Fourth Proportional to 86,286.67, 119,112.34 and 58,008.76

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Solution

The fourth proportional to 86,286.67, 119,112.34 and 58,008.76 is: 80,076.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,286.67 : 119,112.34 = 58,008.76 : x
  2. Step 2: Convert to fraction form
    86,286.67/119,112.34 = 58,008.76/x
  3. Step 3: Cross multiply
    86,286.67x = 119,112.34 × 58,008.76
  4. Step 4: Simplify right side
    86,286.67x = 6,909,558,403.51
  5. Step 5: Solve for x
    x = 6,909,558,403.51/86,286.67
  6. Step 6: Final answer
    x = 80,076.78

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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.