Home / 77,738.91-116,612.01-25,152.51

Finding the Fourth Proportional to 77,738.91, 116,612.01 and 25,152.51

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Solution

The fourth proportional to 77,738.91, 116,612.01 and 25,152.51 is: 37,729.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,738.91 : 116,612.01 = 25,152.51 : x
  2. Step 2: Convert to fraction form
    77,738.91/116,612.01 = 25,152.51/x
  3. Step 3: Cross multiply
    77,738.91x = 116,612.01 × 25,152.51
  4. Step 4: Simplify right side
    77,738.91x = 2,933,084,747.65
  5. Step 5: Solve for x
    x = 2,933,084,747.65/77,738.91
  6. Step 6: Final answer
    x = 37,729.94

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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.