Home / 103,996.62-143,503.20-58,675.32

Finding the Fourth Proportional to 103,996.62, 143,503.20 and 58,675.32

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Solution

The fourth proportional to 103,996.62, 143,503.20 and 58,675.32 is: 80,965.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,996.62 : 143,503.20 = 58,675.32 : x
  2. Step 2: Convert to fraction form
    103,996.62/143,503.20 = 58,675.32/x
  3. Step 3: Cross multiply
    103,996.62x = 143,503.20 × 58,675.32
  4. Step 4: Simplify right side
    103,996.62x = 8,420,096,181.02
  5. Step 5: Solve for x
    x = 8,420,096,181.02/103,996.62
  6. Step 6: Final answer
    x = 80,965.09

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1.5x scale

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.