Home / 52,548.30-72,518.20-28,676.51

Finding the Fourth Proportional to 52,548.30, 72,518.20 and 28,676.51

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Solution

The fourth proportional to 52,548.30, 72,518.20 and 28,676.51 is: 39,574.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,548.30 : 72,518.20 = 28,676.51 : x
  2. Step 2: Convert to fraction form
    52,548.30/72,518.20 = 28,676.51/x
  3. Step 3: Cross multiply
    52,548.30x = 72,518.20 × 28,676.51
  4. Step 4: Simplify right side
    52,548.30x = 2,079,568,744.10
  5. Step 5: Solve for x
    x = 2,079,568,744.10/52,548.30
  6. Step 6: Final answer
    x = 39,574.42

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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.