Home / 76,421.64-114,632.38-50,120.24

Finding the Fourth Proportional to 76,421.64, 114,632.38 and 50,120.24

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Solution

The fourth proportional to 76,421.64, 114,632.38 and 50,120.24 is: 75,180.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,421.64 : 114,632.38 = 50,120.24 : x
  2. Step 2: Convert to fraction form
    76,421.64/114,632.38 = 50,120.24/x
  3. Step 3: Cross multiply
    76,421.64x = 114,632.38 × 50,120.24
  4. Step 4: Simplify right side
    76,421.64x = 5,745,401,886.86
  5. Step 5: Solve for x
    x = 5,745,401,886.86/76,421.64
  6. Step 6: Final answer
    x = 75,180.30

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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.