Home / 104,660.40-144,380.57-62,188.86

Finding the Fourth Proportional to 104,660.40, 144,380.57 and 62,188.86

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Solution

The fourth proportional to 104,660.40, 144,380.57 and 62,188.86 is: 85,790.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,660.40 : 144,380.57 = 62,188.86 : x
  2. Step 2: Convert to fraction form
    104,660.40/144,380.57 = 62,188.86/x
  3. Step 3: Cross multiply
    104,660.40x = 144,380.57 × 62,188.86
  4. Step 4: Simplify right side
    104,660.40x = 8,978,863,054.45
  5. Step 5: Solve for x
    x = 8,978,863,054.45/104,660.40
  6. Step 6: Final answer
    x = 85,790.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.