Home / 103,903.20-155,756.16-33,733.44

Finding the Fourth Proportional to 103,903.20, 155,756.16 and 33,733.44

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Solution

The fourth proportional to 103,903.20, 155,756.16 and 33,733.44 is: 50,568.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,903.20 : 155,756.16 = 33,733.44 : x
  2. Step 2: Convert to fraction form
    103,903.20/155,756.16 = 33,733.44/x
  3. Step 3: Cross multiply
    103,903.20x = 155,756.16 × 33,733.44
  4. Step 4: Simplify right side
    103,903.20x = 5,254,191,077.99
  5. Step 5: Solve for x
    x = 5,254,191,077.99/103,903.20
  6. Step 6: Final answer
    x = 50,568.14

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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.