Home / 54,319.10-81,515.10-32,108.90

Finding the Fourth Proportional to 54,319.10, 81,515.10 and 32,108.90

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Solution

The fourth proportional to 54,319.10, 81,515.10 and 32,108.90 is: 48,184.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,319.10 : 81,515.10 = 32,108.90 : x
  2. Step 2: Convert to fraction form
    54,319.10/81,515.10 = 32,108.90/x
  3. Step 3: Cross multiply
    54,319.10x = 81,515.10 × 32,108.90
  4. Step 4: Simplify right side
    54,319.10x = 2,617,360,194.39
  5. Step 5: Solve for x
    x = 2,617,360,194.39/54,319.10
  6. Step 6: Final answer
    x = 48,184.90

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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.