Home / 76,723.45-115,134.32-37,259.03

Finding the Fourth Proportional to 76,723.45, 115,134.32 and 37,259.03

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Solution

The fourth proportional to 76,723.45, 115,134.32 and 37,259.03 is: 55,912.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,723.45 : 115,134.32 = 37,259.03 : x
  2. Step 2: Convert to fraction form
    76,723.45/115,134.32 = 37,259.03/x
  3. Step 3: Cross multiply
    76,723.45x = 115,134.32 × 37,259.03
  4. Step 4: Simplify right side
    76,723.45x = 4,289,793,082.91
  5. Step 5: Solve for x
    x = 4,289,793,082.91/76,723.45
  6. Step 6: Final answer
    x = 55,912.41

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1.5x scale

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.