Home / 54,367.62-81,536.64-14,915.40

Finding the Fourth Proportional to 54,367.62, 81,536.64 and 14,915.40

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Solution

The fourth proportional to 54,367.62, 81,536.64 and 14,915.40 is: 22,369.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,367.62 : 81,536.64 = 14,915.40 : x
  2. Step 2: Convert to fraction form
    54,367.62/81,536.64 = 14,915.40/x
  3. Step 3: Cross multiply
    54,367.62x = 81,536.64 × 14,915.40
  4. Step 4: Simplify right side
    54,367.62x = 1,216,151,600.26
  5. Step 5: Solve for x
    x = 1,216,151,600.26/54,367.62
  6. Step 6: Final answer
    x = 22,369.04

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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.