Home / 103,744.64-155,620.08-40,562.24

Finding the Fourth Proportional to 103,744.64, 155,620.08 and 40,562.24

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Solution

The fourth proportional to 103,744.64, 155,620.08 and 40,562.24 is: 60,844.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,744.64 : 155,620.08 = 40,562.24 : x
  2. Step 2: Convert to fraction form
    103,744.64/155,620.08 = 40,562.24/x
  3. Step 3: Cross multiply
    103,744.64x = 155,620.08 × 40,562.24
  4. Step 4: Simplify right side
    103,744.64x = 6,312,299,033.78
  5. Step 5: Solve for x
    x = 6,312,299,033.78/103,744.64
  6. Step 6: Final answer
    x = 60,844.58

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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.