Home / 53,512.44-79,943.22-34,638.72

Finding the Fourth Proportional to 53,512.44, 79,943.22 and 34,638.72

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Solution

The fourth proportional to 53,512.44, 79,943.22 and 34,638.72 is: 51,747.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,512.44 : 79,943.22 = 34,638.72 : x
  2. Step 2: Convert to fraction form
    53,512.44/79,943.22 = 34,638.72/x
  3. Step 3: Cross multiply
    53,512.44x = 79,943.22 × 34,638.72
  4. Step 4: Simplify right side
    53,512.44x = 2,769,130,813.48
  5. Step 5: Solve for x
    x = 2,769,130,813.48/53,512.44
  6. Step 6: Final answer
    x = 51,747.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.