Home / 53,078.79-73,247.22-29,205.48

Finding the Fourth Proportional to 53,078.79, 73,247.22 and 29,205.48

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Solution

The fourth proportional to 53,078.79, 73,247.22 and 29,205.48 is: 40,302.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,078.79 : 73,247.22 = 29,205.48 : x
  2. Step 2: Convert to fraction form
    53,078.79/73,247.22 = 29,205.48/x
  3. Step 3: Cross multiply
    53,078.79x = 73,247.22 × 29,205.48
  4. Step 4: Simplify right side
    53,078.79x = 2,139,220,218.77
  5. Step 5: Solve for x
    x = 2,139,220,218.77/53,078.79
  6. Step 6: Final answer
    x = 40,302.73

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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.