Home / 76,923.54-115,412.58-34,812.72

Finding the Fourth Proportional to 76,923.54, 115,412.58 and 34,812.72

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Solution

The fourth proportional to 76,923.54, 115,412.58 and 34,812.72 is: 52,231.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,923.54 : 115,412.58 = 34,812.72 : x
  2. Step 2: Convert to fraction form
    76,923.54/115,412.58 = 34,812.72/x
  3. Step 3: Cross multiply
    76,923.54x = 115,412.58 × 34,812.72
  4. Step 4: Simplify right side
    76,923.54x = 4,017,825,832.02
  5. Step 5: Solve for x
    x = 4,017,825,832.02/76,923.54
  6. Step 6: Final answer
    x = 52,231.42

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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.