Home / 53,427.11-73,729.56-29,553.78

Finding the Fourth Proportional to 53,427.11, 73,729.56 and 29,553.78

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Solution

The fourth proportional to 53,427.11, 73,729.56 and 29,553.78 is: 40,784.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,427.11 : 73,729.56 = 29,553.78 : x
  2. Step 2: Convert to fraction form
    53,427.11/73,729.56 = 29,553.78/x
  3. Step 3: Cross multiply
    53,427.11x = 73,729.56 × 29,553.78
  4. Step 4: Simplify right side
    53,427.11x = 2,178,987,208.13
  5. Step 5: Solve for x
    x = 2,178,987,208.13/53,427.11
  6. Step 6: Final answer
    x = 40,784.30

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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.