Home / 48,649.15-67,142.49-28,514.06

Finding the Fourth Proportional to 48,649.15, 67,142.49 and 28,514.06

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Solution

The fourth proportional to 48,649.15, 67,142.49 and 28,514.06 is: 39,353.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,649.15 : 67,142.49 = 28,514.06 : x
  2. Step 2: Convert to fraction form
    48,649.15/67,142.49 = 28,514.06/x
  3. Step 3: Cross multiply
    48,649.15x = 67,142.49 × 28,514.06
  4. Step 4: Simplify right side
    48,649.15x = 1,914,504,896.51
  5. Step 5: Solve for x
    x = 1,914,504,896.51/48,649.15
  6. Step 6: Final answer
    x = 39,353.31

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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.