Home / 98,914.46-136,495.49-63,100.62

Finding the Fourth Proportional to 98,914.46, 136,495.49 and 63,100.62

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Solution

The fourth proportional to 98,914.46, 136,495.49 and 63,100.62 is: 87,074.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,914.46 : 136,495.49 = 63,100.62 : x
  2. Step 2: Convert to fraction form
    98,914.46/136,495.49 = 63,100.62/x
  3. Step 3: Cross multiply
    98,914.46x = 136,495.49 × 63,100.62
  4. Step 4: Simplify right side
    98,914.46x = 8,612,949,730.70
  5. Step 5: Solve for x
    x = 8,612,949,730.70/98,914.46
  6. Step 6: Final answer
    x = 87,074.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.