Home / 52,471.02-78,714.27-18,734.41

Finding the Fourth Proportional to 52,471.02, 78,714.27 and 18,734.41

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Solution

The fourth proportional to 52,471.02, 78,714.27 and 18,734.41 is: 28,104.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,471.02 : 78,714.27 = 18,734.41 : x
  2. Step 2: Convert to fraction form
    52,471.02/78,714.27 = 18,734.41/x
  3. Step 3: Cross multiply
    52,471.02x = 78,714.27 × 18,734.41
  4. Step 4: Simplify right side
    52,471.02x = 1,474,665,407.03
  5. Step 5: Solve for x
    x = 1,474,665,407.03/52,471.02
  6. Step 6: Final answer
    x = 28,104.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.