Home / 84,078.22-126,124.50-24,106.90

Finding the Fourth Proportional to 84,078.22, 126,124.50 and 24,106.90

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Solution

The fourth proportional to 84,078.22, 126,124.50 and 24,106.90 is: 36,162.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,078.22 : 126,124.50 = 24,106.90 : x
  2. Step 2: Convert to fraction form
    84,078.22/126,124.50 = 24,106.90/x
  3. Step 3: Cross multiply
    84,078.22x = 126,124.50 × 24,106.90
  4. Step 4: Simplify right side
    84,078.22x = 3,040,470,709.05
  5. Step 5: Solve for x
    x = 3,040,470,709.05/84,078.22
  6. Step 6: Final answer
    x = 36,162.41

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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.