Home / 54,310.10-81,400.35-48,737.30

Finding the Fourth Proportional to 54,310.10, 81,400.35 and 48,737.30

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Solution

The fourth proportional to 54,310.10, 81,400.35 and 48,737.30 is: 73,047.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,310.10 : 81,400.35 = 48,737.30 : x
  2. Step 2: Convert to fraction form
    54,310.10/81,400.35 = 48,737.30/x
  3. Step 3: Cross multiply
    54,310.10x = 81,400.35 × 48,737.30
  4. Step 4: Simplify right side
    54,310.10x = 3,967,233,278.06
  5. Step 5: Solve for x
    x = 3,967,233,278.06/54,310.10
  6. Step 6: Final answer
    x = 73,047.80

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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.