Home / 77,741.60-116,556.28-30,316.50

Finding the Fourth Proportional to 77,741.60, 116,556.28 and 30,316.50

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Solution

The fourth proportional to 77,741.60, 116,556.28 and 30,316.50 is: 45,452.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,741.60 : 116,556.28 = 30,316.50 : x
  2. Step 2: Convert to fraction form
    77,741.60/116,556.28 = 30,316.50/x
  3. Step 3: Cross multiply
    77,741.60x = 116,556.28 × 30,316.50
  4. Step 4: Simplify right side
    77,741.60x = 3,533,578,462.62
  5. Step 5: Solve for x
    x = 3,533,578,462.62/77,741.60
  6. Step 6: Final answer
    x = 45,452.87

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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.