Home / 53,488.51-73,815.29-29,290.49

Finding the Fourth Proportional to 53,488.51, 73,815.29 and 29,290.49

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Solution

The fourth proportional to 53,488.51, 73,815.29 and 29,290.49 is: 40,421.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,488.51 : 73,815.29 = 29,290.49 : x
  2. Step 2: Convert to fraction form
    53,488.51/73,815.29 = 29,290.49/x
  3. Step 3: Cross multiply
    53,488.51x = 73,815.29 × 29,290.49
  4. Step 4: Simplify right side
    53,488.51x = 2,162,086,464.68
  5. Step 5: Solve for x
    x = 2,162,086,464.68/53,488.51
  6. Step 6: Final answer
    x = 40,421.51

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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.