Home / 86,727.12-119,540.22-58,036.56

Finding the Fourth Proportional to 86,727.12, 119,540.22 and 58,036.56

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Solution

The fourth proportional to 86,727.12, 119,540.22 and 58,036.56 is: 79,994.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,727.12 : 119,540.22 = 58,036.56 : x
  2. Step 2: Convert to fraction form
    86,727.12/119,540.22 = 58,036.56/x
  3. Step 3: Cross multiply
    86,727.12x = 119,540.22 × 58,036.56
  4. Step 4: Simplify right side
    86,727.12x = 6,937,703,150.44
  5. Step 5: Solve for x
    x = 6,937,703,150.44/86,727.12
  6. Step 6: Final answer
    x = 79,994.62

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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.