Home / 54,627.98-81,941.99-17,191.40

Finding the Fourth Proportional to 54,627.98, 81,941.99 and 17,191.40

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Solution

The fourth proportional to 54,627.98, 81,941.99 and 17,191.40 is: 25,787.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,627.98 : 81,941.99 = 17,191.40 : x
  2. Step 2: Convert to fraction form
    54,627.98/81,941.99 = 17,191.40/x
  3. Step 3: Cross multiply
    54,627.98x = 81,941.99 × 17,191.40
  4. Step 4: Simplify right side
    54,627.98x = 1,408,697,031.22
  5. Step 5: Solve for x
    x = 1,408,697,031.22/54,627.98
  6. Step 6: Final answer
    x = 25,787.10

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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.