Home / 76,926.08-115,403.16-35,372

Finding the Fourth Proportional to 76,926.08, 115,403.16 and 35,372

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Solution

The fourth proportional to 76,926.08, 115,403.16 and 35,372 is: 53,064.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,926.08 : 115,403.16 = 35,372 : x
  2. Step 2: Convert to fraction form
    76,926.08/115,403.16 = 35,372/x
  3. Step 3: Cross multiply
    76,926.08x = 115,403.16 × 35,372
  4. Step 4: Simplify right side
    76,926.08x = 4,082,040,575.52
  5. Step 5: Solve for x
    x = 4,082,040,575.52/76,926.08
  6. Step 6: Final answer
    x = 53,064.46

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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.