Home / 53,152.45-73,350.39-29,279.64

Finding the Fourth Proportional to 53,152.45, 73,350.39 and 29,279.64

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Solution

The fourth proportional to 53,152.45, 73,350.39 and 29,279.64 is: 40,405.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,152.45 : 73,350.39 = 29,279.64 : x
  2. Step 2: Convert to fraction form
    53,152.45/73,350.39 = 29,279.64/x
  3. Step 3: Cross multiply
    53,152.45x = 73,350.39 × 29,279.64
  4. Step 4: Simplify right side
    53,152.45x = 2,147,672,841.43
  5. Step 5: Solve for x
    x = 2,147,672,841.43/53,152.45
  6. Step 6: Final answer
    x = 40,405.90

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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.