Home / 76,423.04-114,634.49-50,121.64

Finding the Fourth Proportional to 76,423.04, 114,634.49 and 50,121.64

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Solution

The fourth proportional to 76,423.04, 114,634.49 and 50,121.64 is: 75,182.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,423.04 : 114,634.49 = 50,121.64 : x
  2. Step 2: Convert to fraction form
    76,423.04/114,634.49 = 50,121.64/x
  3. Step 3: Cross multiply
    76,423.04x = 114,634.49 × 50,121.64
  4. Step 4: Simplify right side
    76,423.04x = 5,745,668,169.16
  5. Step 5: Solve for x
    x = 5,745,668,169.16/76,423.04
  6. Step 6: Final answer
    x = 75,182.40

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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.