Home / 81,540.35-112,514.81-45,241.22

Finding the Fourth Proportional to 81,540.35, 112,514.81 and 45,241.22

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Solution

The fourth proportional to 81,540.35, 112,514.81 and 45,241.22 is: 62,426.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,540.35 : 112,514.81 = 45,241.22 : x
  2. Step 2: Convert to fraction form
    81,540.35/112,514.81 = 45,241.22/x
  3. Step 3: Cross multiply
    81,540.35x = 112,514.81 × 45,241.22
  4. Step 4: Simplify right side
    81,540.35x = 5,090,306,823.00
  5. Step 5: Solve for x
    x = 5,090,306,823.00/81,540.35
  6. Step 6: Final answer
    x = 62,426.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.