Home / 53,161.11-73,365.64-29,287.78

Finding the Fourth Proportional to 53,161.11, 73,365.64 and 29,287.78

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Solution

The fourth proportional to 53,161.11, 73,365.64 and 29,287.78 is: 40,418.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,161.11 : 73,365.64 = 29,287.78 : x
  2. Step 2: Convert to fraction form
    53,161.11/73,365.64 = 29,287.78/x
  3. Step 3: Cross multiply
    53,161.11x = 73,365.64 × 29,287.78
  4. Step 4: Simplify right side
    53,161.11x = 2,148,716,467.25
  5. Step 5: Solve for x
    x = 2,148,716,467.25/53,161.11
  6. Step 6: Final answer
    x = 40,418.95

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1.5x scale

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.