Home / 76,420.51-114,630.69-50,119.10

Finding the Fourth Proportional to 76,420.51, 114,630.69 and 50,119.10

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Solution

The fourth proportional to 76,420.51, 114,630.69 and 50,119.10 is: 75,178.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,420.51 : 114,630.69 = 50,119.10 : x
  2. Step 2: Convert to fraction form
    76,420.51/114,630.69 = 50,119.10/x
  3. Step 3: Cross multiply
    76,420.51x = 114,630.69 × 50,119.10
  4. Step 4: Simplify right side
    76,420.51x = 5,745,187,704.63
  5. Step 5: Solve for x
    x = 5,745,187,704.63/76,420.51
  6. Step 6: Final answer
    x = 75,178.61

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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.