Home / 77,740.68-116,544.60-35,606.64

Finding the Fourth Proportional to 77,740.68, 116,544.60 and 35,606.64

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Solution

The fourth proportional to 77,740.68, 116,544.60 and 35,606.64 is: 53,379.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,740.68 : 116,544.60 = 35,606.64 : x
  2. Step 2: Convert to fraction form
    77,740.68/116,544.60 = 35,606.64/x
  3. Step 3: Cross multiply
    77,740.68x = 116,544.60 × 35,606.64
  4. Step 4: Simplify right side
    77,740.68x = 4,149,761,616.14
  5. Step 5: Solve for x
    x = 4,149,761,616.14/77,740.68
  6. Step 6: Final answer
    x = 53,379.54

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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.