Home / 86,286.79-119,112.51-58,008.88

Finding the Fourth Proportional to 86,286.79, 119,112.51 and 58,008.88

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Solution

The fourth proportional to 86,286.79, 119,112.51 and 58,008.88 is: 80,076.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,286.79 : 119,112.51 = 58,008.88 : x
  2. Step 2: Convert to fraction form
    86,286.79/119,112.51 = 58,008.88/x
  3. Step 3: Cross multiply
    86,286.79x = 119,112.51 × 58,008.88
  4. Step 4: Simplify right side
    86,286.79x = 6,909,583,447.98
  5. Step 5: Solve for x
    x = 6,909,583,447.98/86,286.79
  6. Step 6: Final answer
    x = 80,076.95

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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.