Home / 54,135.86-81,207.90-14,696.05

Finding the Fourth Proportional to 54,135.86, 81,207.90 and 14,696.05

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Solution

The fourth proportional to 54,135.86, 81,207.90 and 14,696.05 is: 22,045.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,135.86 : 81,207.90 = 14,696.05 : x
  2. Step 2: Convert to fraction form
    54,135.86/81,207.90 = 14,696.05/x
  3. Step 3: Cross multiply
    54,135.86x = 81,207.90 × 14,696.05
  4. Step 4: Simplify right side
    54,135.86x = 1,193,435,308.04
  5. Step 5: Solve for x
    x = 1,193,435,308.04/54,135.86
  6. Step 6: Final answer
    x = 22,045.19

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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.