Home / 49,345.20-73,981.32-25,618.68

Finding the Fourth Proportional to 49,345.20, 73,981.32 and 25,618.68

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Solution

The fourth proportional to 49,345.20, 73,981.32 and 25,618.68 is: 38,409.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,345.20 : 73,981.32 = 25,618.68 : x
  2. Step 2: Convert to fraction form
    49,345.20/73,981.32 = 25,618.68/x
  3. Step 3: Cross multiply
    49,345.20x = 73,981.32 × 25,618.68
  4. Step 4: Simplify right side
    49,345.20x = 1,895,303,763.06
  5. Step 5: Solve for x
    x = 1,895,303,763.06/49,345.20
  6. Step 6: Final answer
    x = 38,409.08

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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.