Home / 66,130.03-99,195.86-19,383.85

Finding the Fourth Proportional to 66,130.03, 99,195.86 and 19,383.85

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Solution

The fourth proportional to 66,130.03, 99,195.86 and 19,383.85 is: 29,076.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,130.03 : 99,195.86 = 19,383.85 : x
  2. Step 2: Convert to fraction form
    66,130.03/99,195.86 = 19,383.85/x
  3. Step 3: Cross multiply
    66,130.03x = 99,195.86 × 19,383.85
  4. Step 4: Simplify right side
    66,130.03x = 1,922,797,670.86
  5. Step 5: Solve for x
    x = 1,922,797,670.86/66,130.03
  6. Step 6: Final answer
    x = 29,076.01

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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.