Home / 103,519.68-155,312.31-36,958.32

Finding the Fourth Proportional to 103,519.68, 155,312.31 and 36,958.32

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Solution

The fourth proportional to 103,519.68, 155,312.31 and 36,958.32 is: 55,449.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,519.68 : 155,312.31 = 36,958.32 : x
  2. Step 2: Convert to fraction form
    103,519.68/155,312.31 = 36,958.32/x
  3. Step 3: Cross multiply
    103,519.68x = 155,312.31 × 36,958.32
  4. Step 4: Simplify right side
    103,519.68x = 5,740,082,052.92
  5. Step 5: Solve for x
    x = 5,740,082,052.92/103,519.68
  6. Step 6: Final answer
    x = 55,449.19

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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.