Home / 109,876.46-164,818.74-30,992.79

Finding the Fourth Proportional to 109,876.46, 164,818.74 and 30,992.79

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Solution

The fourth proportional to 109,876.46, 164,818.74 and 30,992.79 is: 46,490.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,876.46 : 164,818.74 = 30,992.79 : x
  2. Step 2: Convert to fraction form
    109,876.46/164,818.74 = 30,992.79/x
  3. Step 3: Cross multiply
    109,876.46x = 164,818.74 × 30,992.79
  4. Step 4: Simplify right side
    109,876.46x = 5,108,192,596.88
  5. Step 5: Solve for x
    x = 5,108,192,596.88/109,876.46
  6. Step 6: Final answer
    x = 46,490.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.