Home / 113,780.76-170,747.31-47,220.94

Finding the Fourth Proportional to 113,780.76, 170,747.31 and 47,220.94

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Solution

The fourth proportional to 113,780.76, 170,747.31 and 47,220.94 is: 70,863.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,780.76 : 170,747.31 = 47,220.94 : x
  2. Step 2: Convert to fraction form
    113,780.76/170,747.31 = 47,220.94/x
  3. Step 3: Cross multiply
    113,780.76x = 170,747.31 × 47,220.94
  4. Step 4: Simplify right side
    113,780.76x = 8,062,848,480.67
  5. Step 5: Solve for x
    x = 8,062,848,480.67/113,780.76
  6. Step 6: Final answer
    x = 70,863.02

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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.