Home / 113,878.20-170,673.30-43,663.80

Finding the Fourth Proportional to 113,878.20, 170,673.30 and 43,663.80

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Solution

The fourth proportional to 113,878.20, 170,673.30 and 43,663.80 is: 65,440.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,878.20 : 170,673.30 = 43,663.80 : x
  2. Step 2: Convert to fraction form
    113,878.20/170,673.30 = 43,663.80/x
  3. Step 3: Cross multiply
    113,878.20x = 170,673.30 × 43,663.80
  4. Step 4: Simplify right side
    113,878.20x = 7,452,244,836.54
  5. Step 5: Solve for x
    x = 7,452,244,836.54/113,878.20
  6. Step 6: Final answer
    x = 65,440.49

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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.