Home / 67,106.84-100,693.06-47,511.32

Finding the Fourth Proportional to 67,106.84, 100,693.06 and 47,511.32

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Solution

The fourth proportional to 67,106.84, 100,693.06 and 47,511.32 is: 71,290.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,106.84 : 100,693.06 = 47,511.32 : x
  2. Step 2: Convert to fraction form
    67,106.84/100,693.06 = 47,511.32/x
  3. Step 3: Cross multiply
    67,106.84x = 100,693.06 × 47,511.32
  4. Step 4: Simplify right side
    67,106.84x = 4,784,060,195.44
  5. Step 5: Solve for x
    x = 4,784,060,195.44/67,106.84
  6. Step 6: Final answer
    x = 71,290.20

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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.