Home / 54,705.18-82,065.90-17,261.28

Finding the Fourth Proportional to 54,705.18, 82,065.90 and 17,261.28

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Solution

The fourth proportional to 54,705.18, 82,065.90 and 17,261.28 is: 25,894.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,705.18 : 82,065.90 = 17,261.28 : x
  2. Step 2: Convert to fraction form
    54,705.18/82,065.90 = 17,261.28/x
  3. Step 3: Cross multiply
    54,705.18x = 82,065.90 × 17,261.28
  4. Step 4: Simplify right side
    54,705.18x = 1,416,562,478.35
  5. Step 5: Solve for x
    x = 1,416,562,478.35/54,705.18
  6. Step 6: Final answer
    x = 25,894.49

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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.