Home / 53,137.05-73,331.39-30,482.43

Finding the Fourth Proportional to 53,137.05, 73,331.39 and 30,482.43

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Solution

The fourth proportional to 53,137.05, 73,331.39 and 30,482.43 is: 42,067.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,137.05 : 73,331.39 = 30,482.43 : x
  2. Step 2: Convert to fraction form
    53,137.05/73,331.39 = 30,482.43/x
  3. Step 3: Cross multiply
    53,137.05x = 73,331.39 × 30,482.43
  4. Step 4: Simplify right side
    53,137.05x = 2,235,318,810.07
  5. Step 5: Solve for x
    x = 2,235,318,810.07/53,137.05
  6. Step 6: Final answer
    x = 42,067.05

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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.