Home / 109,000.04-163,554.78-49,830.44

Finding the Fourth Proportional to 109,000.04, 163,554.78 and 49,830.44

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Solution

The fourth proportional to 109,000.04, 163,554.78 and 49,830.44 is: 74,770.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,000.04 : 163,554.78 = 49,830.44 : x
  2. Step 2: Convert to fraction form
    109,000.04/163,554.78 = 49,830.44/x
  3. Step 3: Cross multiply
    109,000.04x = 163,554.78 × 49,830.44
  4. Step 4: Simplify right side
    109,000.04x = 8,150,006,651.50
  5. Step 5: Solve for x
    x = 8,150,006,651.50/109,000.04
  6. Step 6: Final answer
    x = 74,770.68

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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.