Home / 77,375.36-116,039.91-23,337.78

Finding the Fourth Proportional to 77,375.36, 116,039.91 and 23,337.78

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Solution

The fourth proportional to 77,375.36, 116,039.91 and 23,337.78 is: 34,999.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,375.36 : 116,039.91 = 23,337.78 : x
  2. Step 2: Convert to fraction form
    77,375.36/116,039.91 = 23,337.78/x
  3. Step 3: Cross multiply
    77,375.36x = 116,039.91 × 23,337.78
  4. Step 4: Simplify right side
    77,375.36x = 2,708,113,890.80
  5. Step 5: Solve for x
    x = 2,708,113,890.80/77,375.36
  6. Step 6: Final answer
    x = 34,999.69

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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.