Home / 98,245.44-147,385.98-56,172.96

Finding the Fourth Proportional to 98,245.44, 147,385.98 and 56,172.96

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Solution

The fourth proportional to 98,245.44, 147,385.98 and 56,172.96 is: 84,269.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,245.44 : 147,385.98 = 56,172.96 : x
  2. Step 2: Convert to fraction form
    98,245.44/147,385.98 = 56,172.96/x
  3. Step 3: Cross multiply
    98,245.44x = 147,385.98 × 56,172.96
  4. Step 4: Simplify right side
    98,245.44x = 8,279,106,759.10
  5. Step 5: Solve for x
    x = 8,279,106,759.10/98,245.44
  6. Step 6: Final answer
    x = 84,269.63

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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.