Home / 52,581.21-72,562.05-28,707.88

Finding the Fourth Proportional to 52,581.21, 72,562.05 and 28,707.88

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Solution

The fourth proportional to 52,581.21, 72,562.05 and 28,707.88 is: 39,616.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,581.21 : 72,562.05 = 28,707.88 : x
  2. Step 2: Convert to fraction form
    52,581.21/72,562.05 = 28,707.88/x
  3. Step 3: Cross multiply
    52,581.21x = 72,562.05 × 28,707.88
  4. Step 4: Simplify right side
    52,581.21x = 2,083,102,761.38
  5. Step 5: Solve for x
    x = 2,083,102,761.38/52,581.21
  6. Step 6: Final answer
    x = 39,616.86

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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.