Home / 53,057.78-73,218.20-29,184.45

Finding the Fourth Proportional to 53,057.78, 73,218.20 and 29,184.45

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Solution

The fourth proportional to 53,057.78, 73,218.20 and 29,184.45 is: 40,273.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,057.78 : 73,218.20 = 29,184.45 : x
  2. Step 2: Convert to fraction form
    53,057.78/73,218.20 = 29,184.45/x
  3. Step 3: Cross multiply
    53,057.78x = 73,218.20 × 29,184.45
  4. Step 4: Simplify right side
    53,057.78x = 2,136,832,530.90
  5. Step 5: Solve for x
    x = 2,136,832,530.90/53,057.78
  6. Step 6: Final answer
    x = 40,273.69

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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.