Home / 86,799.59-119,782.35-50,992.86

Finding the Fourth Proportional to 86,799.59, 119,782.35 and 50,992.86

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Solution

The fourth proportional to 86,799.59, 119,782.35 and 50,992.86 is: 70,369.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,799.59 : 119,782.35 = 50,992.86 : x
  2. Step 2: Convert to fraction form
    86,799.59/119,782.35 = 50,992.86/x
  3. Step 3: Cross multiply
    86,799.59x = 119,782.35 × 50,992.86
  4. Step 4: Simplify right side
    86,799.59x = 6,108,044,604.02
  5. Step 5: Solve for x
    x = 6,108,044,604.02/86,799.59
  6. Step 6: Final answer
    x = 70,369.51

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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.