Home / 53,195.90-73,409.31-28,997.09

Finding the Fourth Proportional to 53,195.90, 73,409.31 and 28,997.09

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Solution

The fourth proportional to 53,195.90, 73,409.31 and 28,997.09 is: 40,015.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,195.90 : 73,409.31 = 28,997.09 : x
  2. Step 2: Convert to fraction form
    53,195.90/73,409.31 = 28,997.09/x
  3. Step 3: Cross multiply
    53,195.90x = 73,409.31 × 28,997.09
  4. Step 4: Simplify right side
    53,195.90x = 2,128,656,001.86
  5. Step 5: Solve for x
    x = 2,128,656,001.86/53,195.90
  6. Step 6: Final answer
    x = 40,015.42

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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.