Home / 113,820.54-170,768.97-71,651.58

Finding the Fourth Proportional to 113,820.54, 170,768.97 and 71,651.58

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Solution

The fourth proportional to 113,820.54, 170,768.97 and 71,651.58 is: 107,501.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,820.54 : 170,768.97 = 71,651.58 : x
  2. Step 2: Convert to fraction form
    113,820.54/170,768.97 = 71,651.58/x
  3. Step 3: Cross multiply
    113,820.54x = 170,768.97 × 71,651.58
  4. Step 4: Simplify right side
    113,820.54x = 12,235,866,515.47
  5. Step 5: Solve for x
    x = 12,235,866,515.47/113,820.54
  6. Step 6: Final answer
    x = 107,501.39

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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.