Home / 54,330.10-81,495.15-14,891.20

Finding the Fourth Proportional to 54,330.10, 81,495.15 and 14,891.20

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Solution

The fourth proportional to 54,330.10, 81,495.15 and 14,891.20 is: 22,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,330.10 : 81,495.15 = 14,891.20 : x
  2. Step 2: Convert to fraction form
    54,330.10/81,495.15 = 14,891.20/x
  3. Step 3: Cross multiply
    54,330.10x = 81,495.15 × 14,891.20
  4. Step 4: Simplify right side
    54,330.10x = 1,213,560,577.68
  5. Step 5: Solve for x
    x = 1,213,560,577.68/54,330.10
  6. Step 6: Final answer
    x = 22,336.80

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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.