Home / 76,763.70-115,145.55-50,191.65

Finding the Fourth Proportional to 76,763.70, 115,145.55 and 50,191.65

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Solution

The fourth proportional to 76,763.70, 115,145.55 and 50,191.65 is: 75,287.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,763.70 : 115,145.55 = 50,191.65 : x
  2. Step 2: Convert to fraction form
    76,763.70/115,145.55 = 50,191.65/x
  3. Step 3: Cross multiply
    76,763.70x = 115,145.55 × 50,191.65
  4. Step 4: Simplify right side
    76,763.70x = 5,779,345,144.66
  5. Step 5: Solve for x
    x = 5,779,345,144.66/76,763.70
  6. Step 6: Final answer
    x = 75,287.48

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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.