Home / 84,022.22-126,052.78-48,991.34

Finding the Fourth Proportional to 84,022.22, 126,052.78 and 48,991.34

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Solution

The fourth proportional to 84,022.22, 126,052.78 and 48,991.34 is: 73,498.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,022.22 : 126,052.78 = 48,991.34 : x
  2. Step 2: Convert to fraction form
    84,022.22/126,052.78 = 48,991.34/x
  3. Step 3: Cross multiply
    84,022.22x = 126,052.78 × 48,991.34
  4. Step 4: Simplify right side
    84,022.22x = 6,175,494,602.93
  5. Step 5: Solve for x
    x = 6,175,494,602.93/84,022.22
  6. Step 6: Final answer
    x = 73,498.35

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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.