Home / 124,376.85-171,504.54-84,020.58

Finding the Fourth Proportional to 124,376.85, 171,504.54 and 84,020.58

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Solution

The fourth proportional to 124,376.85, 171,504.54 and 84,020.58 is: 115,856.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,376.85 : 171,504.54 = 84,020.58 : x
  2. Step 2: Convert to fraction form
    124,376.85/171,504.54 = 84,020.58/x
  3. Step 3: Cross multiply
    124,376.85x = 171,504.54 × 84,020.58
  4. Step 4: Simplify right side
    124,376.85x = 14,409,910,923.43
  5. Step 5: Solve for x
    x = 14,409,910,923.43/124,376.85
  6. Step 6: Final answer
    x = 115,856.86

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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.