Home / 76,821.58-115,232.37-24,235.15

Finding the Fourth Proportional to 76,821.58, 115,232.37 and 24,235.15

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Solution

The fourth proportional to 76,821.58, 115,232.37 and 24,235.15 is: 36,352.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,821.58 : 115,232.37 = 24,235.15 : x
  2. Step 2: Convert to fraction form
    76,821.58/115,232.37 = 24,235.15/x
  3. Step 3: Cross multiply
    76,821.58x = 115,232.37 × 24,235.15
  4. Step 4: Simplify right side
    76,821.58x = 2,792,673,771.81
  5. Step 5: Solve for x
    x = 2,792,673,771.81/76,821.58
  6. Step 6: Final answer
    x = 36,352.73

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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.