Home / 52,276.32-72,133.20-29,916

Finding the Fourth Proportional to 52,276.32, 72,133.20 and 29,916

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Solution

The fourth proportional to 52,276.32, 72,133.20 and 29,916 is: 41,279.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,276.32 : 72,133.20 = 29,916 : x
  2. Step 2: Convert to fraction form
    52,276.32/72,133.20 = 29,916/x
  3. Step 3: Cross multiply
    52,276.32x = 72,133.20 × 29,916
  4. Step 4: Simplify right side
    52,276.32x = 2,157,936,811.20
  5. Step 5: Solve for x
    x = 2,157,936,811.20/52,276.32
  6. Step 6: Final answer
    x = 41,279.43

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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.