Home / 53,419.83-73,720.85-29,548.03

Finding the Fourth Proportional to 53,419.83, 73,720.85 and 29,548.03

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Solution

The fourth proportional to 53,419.83, 73,720.85 and 29,548.03 is: 40,777.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,419.83 : 73,720.85 = 29,548.03 : x
  2. Step 2: Convert to fraction form
    53,419.83/73,720.85 = 29,548.03/x
  3. Step 3: Cross multiply
    53,419.83x = 73,720.85 × 29,548.03
  4. Step 4: Simplify right side
    53,419.83x = 2,178,305,887.43
  5. Step 5: Solve for x
    x = 2,178,305,887.43/53,419.83
  6. Step 6: Final answer
    x = 40,777.10

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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.