Home / 66,633.06-99,934.86-19,237.86

Finding the Fourth Proportional to 66,633.06, 99,934.86 and 19,237.86

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Solution

The fourth proportional to 66,633.06, 99,934.86 and 19,237.86 is: 28,852.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,633.06 : 99,934.86 = 19,237.86 : x
  2. Step 2: Convert to fraction form
    66,633.06/99,934.86 = 19,237.86/x
  3. Step 3: Cross multiply
    66,633.06x = 99,934.86 × 19,237.86
  4. Step 4: Simplify right side
    66,633.06x = 1,922,532,845.80
  5. Step 5: Solve for x
    x = 1,922,532,845.80/66,633.06
  6. Step 6: Final answer
    x = 28,852.54

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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.