Home / 98,584.20-147,876.30-74,964.60

Finding the Fourth Proportional to 98,584.20, 147,876.30 and 74,964.60

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Solution

The fourth proportional to 98,584.20, 147,876.30 and 74,964.60 is: 112,446.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,584.20 : 147,876.30 = 74,964.60 : x
  2. Step 2: Convert to fraction form
    98,584.20/147,876.30 = 74,964.60/x
  3. Step 3: Cross multiply
    98,584.20x = 147,876.30 × 74,964.60
  4. Step 4: Simplify right side
    98,584.20x = 11,085,487,678.98
  5. Step 5: Solve for x
    x = 11,085,487,678.98/98,584.20
  6. Step 6: Final answer
    x = 112,446.90

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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.