Home / 43,175.16-64,773.54-13,591.80

Finding the Fourth Proportional to 43,175.16, 64,773.54 and 13,591.80

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Solution

The fourth proportional to 43,175.16, 64,773.54 and 13,591.80 is: 20,391.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,175.16 : 64,773.54 = 13,591.80 : x
  2. Step 2: Convert to fraction form
    43,175.16/64,773.54 = 13,591.80/x
  3. Step 3: Cross multiply
    43,175.16x = 64,773.54 × 13,591.80
  4. Step 4: Simplify right side
    43,175.16x = 880,389,000.97
  5. Step 5: Solve for x
    x = 880,389,000.97/43,175.16
  6. Step 6: Final answer
    x = 20,391.10

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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.