Home / 49,345.76-74,029.68-14,288.08

Finding the Fourth Proportional to 49,345.76, 74,029.68 and 14,288.08

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Solution

The fourth proportional to 49,345.76, 74,029.68 and 14,288.08 is: 21,435.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,345.76 : 74,029.68 = 14,288.08 : x
  2. Step 2: Convert to fraction form
    49,345.76/74,029.68 = 14,288.08/x
  3. Step 3: Cross multiply
    49,345.76x = 74,029.68 × 14,288.08
  4. Step 4: Simplify right side
    49,345.76x = 1,057,741,990.21
  5. Step 5: Solve for x
    x = 1,057,741,990.21/49,345.76
  6. Step 6: Final answer
    x = 21,435.32

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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.