Home / 55,083.68-82,624.80-13,531.04

Finding the Fourth Proportional to 55,083.68, 82,624.80 and 13,531.04

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Solution

The fourth proportional to 55,083.68, 82,624.80 and 13,531.04 is: 20,296.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,083.68 : 82,624.80 = 13,531.04 : x
  2. Step 2: Convert to fraction form
    55,083.68/82,624.80 = 13,531.04/x
  3. Step 3: Cross multiply
    55,083.68x = 82,624.80 × 13,531.04
  4. Step 4: Simplify right side
    55,083.68x = 1,117,999,473.79
  5. Step 5: Solve for x
    x = 1,117,999,473.79/55,083.68
  6. Step 6: Final answer
    x = 20,296.38

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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.