Home / 103,633.13-155,449.70-33,512.45

Finding the Fourth Proportional to 103,633.13, 155,449.70 and 33,512.45

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Solution

The fourth proportional to 103,633.13, 155,449.70 and 33,512.45 is: 50,268.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,633.13 : 155,449.70 = 33,512.45 : x
  2. Step 2: Convert to fraction form
    103,633.13/155,449.70 = 33,512.45/x
  3. Step 3: Cross multiply
    103,633.13x = 155,449.70 × 33,512.45
  4. Step 4: Simplify right side
    103,633.13x = 5,209,500,298.77
  5. Step 5: Solve for x
    x = 5,209,500,298.77/103,633.13
  6. Step 6: Final answer
    x = 50,268.68

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1.5x scale

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.