Home / 103,674.28-155,479-33,539.08

Finding the Fourth Proportional to 103,674.28, 155,479 and 33,539.08

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Solution

The fourth proportional to 103,674.28, 155,479 and 33,539.08 is: 50,298.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,674.28 : 155,479 = 33,539.08 : x
  2. Step 2: Convert to fraction form
    103,674.28/155,479 = 33,539.08/x
  3. Step 3: Cross multiply
    103,674.28x = 155,479 × 33,539.08
  4. Step 4: Simplify right side
    103,674.28x = 5,214,622,619.32
  5. Step 5: Solve for x
    x = 5,214,622,619.32/103,674.28
  6. Step 6: Final answer
    x = 50,298.13

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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.