Home / 76,923.66-115,344.21-39,468.42

Finding the Fourth Proportional to 76,923.66, 115,344.21 and 39,468.42

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Solution

The fourth proportional to 76,923.66, 115,344.21 and 39,468.42 is: 59,181.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,923.66 : 115,344.21 = 39,468.42 : x
  2. Step 2: Convert to fraction form
    76,923.66/115,344.21 = 39,468.42/x
  3. Step 3: Cross multiply
    76,923.66x = 115,344.21 × 39,468.42
  4. Step 4: Simplify right side
    76,923.66x = 4,552,453,724.85
  5. Step 5: Solve for x
    x = 4,552,453,724.85/76,923.66
  6. Step 6: Final answer
    x = 59,181.45

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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.