Home / 86,860.68-119,811.06-54,996.36

Finding the Fourth Proportional to 86,860.68, 119,811.06 and 54,996.36

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Solution

The fourth proportional to 86,860.68, 119,811.06 and 54,996.36 is: 75,859.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,860.68 : 119,811.06 = 54,996.36 : x
  2. Step 2: Convert to fraction form
    86,860.68/119,811.06 = 54,996.36/x
  3. Step 3: Cross multiply
    86,860.68x = 119,811.06 × 54,996.36
  4. Step 4: Simplify right side
    86,860.68x = 6,589,172,187.74
  5. Step 5: Solve for x
    x = 6,589,172,187.74/86,860.68
  6. Step 6: Final answer
    x = 75,859.09

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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.