Home / 54,068.91-81,078.65-16,615.92

Finding the Fourth Proportional to 54,068.91, 81,078.65 and 16,615.92

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Solution

The fourth proportional to 54,068.91, 81,078.65 and 16,615.92 is: 24,916.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,068.91 : 81,078.65 = 16,615.92 : x
  2. Step 2: Convert to fraction form
    54,068.91/81,078.65 = 16,615.92/x
  3. Step 3: Cross multiply
    54,068.91x = 81,078.65 × 16,615.92
  4. Step 4: Simplify right side
    54,068.91x = 1,347,196,362.11
  5. Step 5: Solve for x
    x = 1,347,196,362.11/54,068.91
  6. Step 6: Final answer
    x = 24,916.28

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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.