Home / 77,924.06-116,886.15-18,759.73

Finding the Fourth Proportional to 77,924.06, 116,886.15 and 18,759.73

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Solution

The fourth proportional to 77,924.06, 116,886.15 and 18,759.73 is: 28,139.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,924.06 : 116,886.15 = 18,759.73 : x
  2. Step 2: Convert to fraction form
    77,924.06/116,886.15 = 18,759.73/x
  3. Step 3: Cross multiply
    77,924.06x = 116,886.15 × 18,759.73
  4. Step 4: Simplify right side
    77,924.06x = 2,192,752,978.99
  5. Step 5: Solve for x
    x = 2,192,752,978.99/77,924.06
  6. Step 6: Final answer
    x = 28,139.61

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1.5x scale

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.