Home / 54,138.11-81,207.12-14,701.01

Finding the Fourth Proportional to 54,138.11, 81,207.12 and 14,701.01

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Solution

The fourth proportional to 54,138.11, 81,207.12 and 14,701.01 is: 22,051.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,138.11 : 81,207.12 = 14,701.01 : x
  2. Step 2: Convert to fraction form
    54,138.11/81,207.12 = 14,701.01/x
  3. Step 3: Cross multiply
    54,138.11x = 81,207.12 × 14,701.01
  4. Step 4: Simplify right side
    54,138.11x = 1,193,826,683.19
  5. Step 5: Solve for x
    x = 1,193,826,683.19/54,138.11
  6. Step 6: Final answer
    x = 22,051.50

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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.