Home / 64,086.09-96,140.06-19,711.86

Finding the Fourth Proportional to 64,086.09, 96,140.06 and 19,711.86

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Solution

The fourth proportional to 64,086.09, 96,140.06 and 19,711.86 is: 29,571.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,086.09 : 96,140.06 = 19,711.86 : x
  2. Step 2: Convert to fraction form
    64,086.09/96,140.06 = 19,711.86/x
  3. Step 3: Cross multiply
    64,086.09x = 96,140.06 × 19,711.86
  4. Step 4: Simplify right side
    64,086.09x = 1,895,099,128.83
  5. Step 5: Solve for x
    x = 1,895,099,128.83/64,086.09
  6. Step 6: Final answer
    x = 29,571.15

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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.