Home / 53,144.39-73,342.58-29,271.05

Finding the Fourth Proportional to 53,144.39, 73,342.58 and 29,271.05

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Solution

The fourth proportional to 53,144.39, 73,342.58 and 29,271.05 is: 40,395.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,144.39 : 73,342.58 = 29,271.05 : x
  2. Step 2: Convert to fraction form
    53,144.39/73,342.58 = 29,271.05/x
  3. Step 3: Cross multiply
    53,144.39x = 73,342.58 × 29,271.05
  4. Step 4: Simplify right side
    53,144.39x = 2,146,814,363.31
  5. Step 5: Solve for x
    x = 2,146,814,363.31/53,144.39
  6. Step 6: Final answer
    x = 40,395.88

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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.