Home / 107,742.96-161,514.66-55,036.20

Finding the Fourth Proportional to 107,742.96, 161,514.66 and 55,036.20

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Solution

The fourth proportional to 107,742.96, 161,514.66 and 55,036.20 is: 82,503.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,742.96 : 161,514.66 = 55,036.20 : x
  2. Step 2: Convert to fraction form
    107,742.96/161,514.66 = 55,036.20/x
  3. Step 3: Cross multiply
    107,742.96x = 161,514.66 × 55,036.20
  4. Step 4: Simplify right side
    107,742.96x = 8,889,153,130.69
  5. Step 5: Solve for x
    x = 8,889,153,130.69/107,742.96
  6. Step 6: Final answer
    x = 82,503.33

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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.