Home / 54,329.10-81,530.10-32,118.90

Finding the Fourth Proportional to 54,329.10, 81,530.10 and 32,118.90

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Solution

The fourth proportional to 54,329.10, 81,530.10 and 32,118.90 is: 48,199.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,329.10 : 81,530.10 = 32,118.90 : x
  2. Step 2: Convert to fraction form
    54,329.10/81,530.10 = 32,118.90/x
  3. Step 3: Cross multiply
    54,329.10x = 81,530.10 × 32,118.90
  4. Step 4: Simplify right side
    54,329.10x = 2,618,657,128.89
  5. Step 5: Solve for x
    x = 2,618,657,128.89/54,329.10
  6. Step 6: Final answer
    x = 48,199.90

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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.