Home / 110,974.22-153,101.31-70,680.74

Finding the Fourth Proportional to 110,974.22, 153,101.31 and 70,680.74

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Solution

The fourth proportional to 110,974.22, 153,101.31 and 70,680.74 is: 97,511.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,974.22 : 153,101.31 = 70,680.74 : x
  2. Step 2: Convert to fraction form
    110,974.22/153,101.31 = 70,680.74/x
  3. Step 3: Cross multiply
    110,974.22x = 153,101.31 × 70,680.74
  4. Step 4: Simplify right side
    110,974.22x = 10,821,313,885.77
  5. Step 5: Solve for x
    x = 10,821,313,885.77/110,974.22
  6. Step 6: Final answer
    x = 97,511.96

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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.