Home / 103,520.30-155,308.73-36,967.19

Finding the Fourth Proportional to 103,520.30, 155,308.73 and 36,967.19

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Solution

The fourth proportional to 103,520.30, 155,308.73 and 36,967.19 is: 55,460.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,520.30 : 155,308.73 = 36,967.19 : x
  2. Step 2: Convert to fraction form
    103,520.30/155,308.73 = 36,967.19/x
  3. Step 3: Cross multiply
    103,520.30x = 155,308.73 × 36,967.19
  4. Step 4: Simplify right side
    103,520.30x = 5,741,326,369.19
  5. Step 5: Solve for x
    x = 5,741,326,369.19/103,520.30
  6. Step 6: Final answer
    x = 55,460.88

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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.