Home / 53,195.78-73,407.96-28,996.21

Finding the Fourth Proportional to 53,195.78, 73,407.96 and 28,996.21

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Solution

The fourth proportional to 53,195.78, 73,407.96 and 28,996.21 is: 40,013.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,195.78 : 73,407.96 = 28,996.21 : x
  2. Step 2: Convert to fraction form
    53,195.78/73,407.96 = 28,996.21/x
  3. Step 3: Cross multiply
    53,195.78x = 73,407.96 × 28,996.21
  4. Step 4: Simplify right side
    53,195.78x = 2,128,552,440.31
  5. Step 5: Solve for x
    x = 2,128,552,440.31/53,195.78
  6. Step 6: Final answer
    x = 40,013.56

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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.