Home / 55,624.29-83,290.62-38,128.29

Finding the Fourth Proportional to 55,624.29, 83,290.62 and 38,128.29

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Solution

The fourth proportional to 55,624.29, 83,290.62 and 38,128.29 is: 57,092.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,624.29 : 83,290.62 = 38,128.29 : x
  2. Step 2: Convert to fraction form
    55,624.29/83,290.62 = 38,128.29/x
  3. Step 3: Cross multiply
    55,624.29x = 83,290.62 × 38,128.29
  4. Step 4: Simplify right side
    55,624.29x = 3,175,728,913.64
  5. Step 5: Solve for x
    x = 3,175,728,913.64/55,624.29
  6. Step 6: Final answer
    x = 57,092.48

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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.