Home / 53,092.80-73,270.20-29,221.28

Finding the Fourth Proportional to 53,092.80, 73,270.20 and 29,221.28

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Solution

The fourth proportional to 53,092.80, 73,270.20 and 29,221.28 is: 40,326.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,092.80 : 73,270.20 = 29,221.28 : x
  2. Step 2: Convert to fraction form
    53,092.80/73,270.20 = 29,221.28/x
  3. Step 3: Cross multiply
    53,092.80x = 73,270.20 × 29,221.28
  4. Step 4: Simplify right side
    53,092.80x = 2,141,049,029.86
  5. Step 5: Solve for x
    x = 2,141,049,029.86/53,092.80
  6. Step 6: Final answer
    x = 40,326.54

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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.