Home / 113,878.89-170,759.93-66,586.39

Finding the Fourth Proportional to 113,878.89, 170,759.93 and 66,586.39

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Solution

The fourth proportional to 113,878.89, 170,759.93 and 66,586.39 is: 99,845.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,878.89 : 170,759.93 = 66,586.39 : x
  2. Step 2: Convert to fraction form
    113,878.89/170,759.93 = 66,586.39/x
  3. Step 3: Cross multiply
    113,878.89x = 170,759.93 × 66,586.39
  4. Step 4: Simplify right side
    113,878.89x = 11,370,286,535.52
  5. Step 5: Solve for x
    x = 11,370,286,535.52/113,878.89
  6. Step 6: Final answer
    x = 99,845.43

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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.