Home / 54,423.08-81,632.49-14,979.12

Finding the Fourth Proportional to 54,423.08, 81,632.49 and 14,979.12

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Solution

The fourth proportional to 54,423.08, 81,632.49 and 14,979.12 is: 22,468.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,423.08 : 81,632.49 = 14,979.12 : x
  2. Step 2: Convert to fraction form
    54,423.08/81,632.49 = 14,979.12/x
  3. Step 3: Cross multiply
    54,423.08x = 81,632.49 × 14,979.12
  4. Step 4: Simplify right side
    54,423.08x = 1,222,782,455.45
  5. Step 5: Solve for x
    x = 1,222,782,455.45/54,423.08
  6. Step 6: Final answer
    x = 22,468.09

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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.