Home / 77,741.85-116,556.66-30,316.76

Finding the Fourth Proportional to 77,741.85, 116,556.66 and 30,316.76

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Solution

The fourth proportional to 77,741.85, 116,556.66 and 30,316.76 is: 45,453.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,741.85 : 116,556.66 = 30,316.76 : x
  2. Step 2: Convert to fraction form
    77,741.85/116,556.66 = 30,316.76/x
  3. Step 3: Cross multiply
    77,741.85x = 116,556.66 × 30,316.76
  4. Step 4: Simplify right side
    77,741.85x = 3,533,619,704.84
  5. Step 5: Solve for x
    x = 3,533,619,704.84/77,741.85
  6. Step 6: Final answer
    x = 45,453.25

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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.