Home / 55,138.76-82,667.32-17,677.04

Finding the Fourth Proportional to 55,138.76, 82,667.32 and 17,677.04

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Solution

The fourth proportional to 55,138.76, 82,667.32 and 17,677.04 is: 26,502.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,138.76 : 82,667.32 = 17,677.04 : x
  2. Step 2: Convert to fraction form
    55,138.76/82,667.32 = 17,677.04/x
  3. Step 3: Cross multiply
    55,138.76x = 82,667.32 × 17,677.04
  4. Step 4: Simplify right side
    55,138.76x = 1,461,313,522.33
  5. Step 5: Solve for x
    x = 1,461,313,522.33/55,138.76
  6. Step 6: Final answer
    x = 26,502.47

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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.