Home / 52,748.21-72,792.57-28,874.93

Finding the Fourth Proportional to 52,748.21, 72,792.57 and 28,874.93

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Solution

The fourth proportional to 52,748.21, 72,792.57 and 28,874.93 is: 39,847.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,748.21 : 72,792.57 = 28,874.93 : x
  2. Step 2: Convert to fraction form
    52,748.21/72,792.57 = 28,874.93/x
  3. Step 3: Cross multiply
    52,748.21x = 72,792.57 × 28,874.93
  4. Step 4: Simplify right side
    52,748.21x = 2,101,880,517.05
  5. Step 5: Solve for x
    x = 2,101,880,517.05/52,748.21
  6. Step 6: Final answer
    x = 39,847.43

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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.