Home / 54,114.90-81,172.89-14,672.76

Finding the Fourth Proportional to 54,114.90, 81,172.89 and 14,672.76

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Solution

The fourth proportional to 54,114.90, 81,172.89 and 14,672.76 is: 22,009.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,114.90 : 81,172.89 = 14,672.76 : x
  2. Step 2: Convert to fraction form
    54,114.90/81,172.89 = 14,672.76/x
  3. Step 3: Cross multiply
    54,114.90x = 81,172.89 × 14,672.76
  4. Step 4: Simplify right side
    54,114.90x = 1,191,030,333.48
  5. Step 5: Solve for x
    x = 1,191,030,333.48/54,114.90
  6. Step 6: Final answer
    x = 22,009.29

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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.