Home / 107,514.51-161,274.60-28,628.88

Finding the Fourth Proportional to 107,514.51, 161,274.60 and 28,628.88

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Solution

The fourth proportional to 107,514.51, 161,274.60 and 28,628.88 is: 42,944.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,514.51 : 161,274.60 = 28,628.88 : x
  2. Step 2: Convert to fraction form
    107,514.51/161,274.60 = 28,628.88/x
  3. Step 3: Cross multiply
    107,514.51x = 161,274.60 × 28,628.88
  4. Step 4: Simplify right side
    107,514.51x = 4,617,111,170.45
  5. Step 5: Solve for x
    x = 4,617,111,170.45/107,514.51
  6. Step 6: Final answer
    x = 42,944.07

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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.