Home / 51,140.72-76,723.80-50,293.12

Finding the Fourth Proportional to 51,140.72, 76,723.80 and 50,293.12

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Solution

The fourth proportional to 51,140.72, 76,723.80 and 50,293.12 is: 75,452.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,140.72 : 76,723.80 = 50,293.12 : x
  2. Step 2: Convert to fraction form
    51,140.72/76,723.80 = 50,293.12/x
  3. Step 3: Cross multiply
    51,140.72x = 76,723.80 × 50,293.12
  4. Step 4: Simplify right side
    51,140.72x = 3,858,679,280.26
  5. Step 5: Solve for x
    x = 3,858,679,280.26/51,140.72
  6. Step 6: Final answer
    x = 75,452.19

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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.