Home / 53,488.45-73,815.21-29,290.43

Finding the Fourth Proportional to 53,488.45, 73,815.21 and 29,290.43

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Solution

The fourth proportional to 53,488.45, 73,815.21 and 29,290.43 is: 40,421.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,488.45 : 73,815.21 = 29,290.43 : x
  2. Step 2: Convert to fraction form
    53,488.45/73,815.21 = 29,290.43/x
  3. Step 3: Cross multiply
    53,488.45x = 73,815.21 × 29,290.43
  4. Step 4: Simplify right side
    53,488.45x = 2,162,079,094.99
  5. Step 5: Solve for x
    x = 2,162,079,094.99/53,488.45
  6. Step 6: Final answer
    x = 40,421.42

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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.