Home / 135,623.68-203,412.30-35,784.91

Finding the Fourth Proportional to 135,623.68, 203,412.30 and 35,784.91

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Solution

The fourth proportional to 135,623.68, 203,412.30 and 35,784.91 is: 53,671.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,623.68 : 203,412.30 = 35,784.91 : x
  2. Step 2: Convert to fraction form
    135,623.68/203,412.30 = 35,784.91/x
  3. Step 3: Cross multiply
    135,623.68x = 203,412.30 × 35,784.91
  4. Step 4: Simplify right side
    135,623.68x = 7,279,090,848.39
  5. Step 5: Solve for x
    x = 7,279,090,848.39/135,623.68
  6. Step 6: Final answer
    x = 53,671.24

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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.