Home / 76,830.56-115,245.86-24,244.16

Finding the Fourth Proportional to 76,830.56, 115,245.86 and 24,244.16

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Solution

The fourth proportional to 76,830.56, 115,245.86 and 24,244.16 is: 36,366.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,830.56 : 115,245.86 = 24,244.16 : x
  2. Step 2: Convert to fraction form
    76,830.56/115,245.86 = 24,244.16/x
  3. Step 3: Cross multiply
    76,830.56x = 115,245.86 × 24,244.16
  4. Step 4: Simplify right side
    76,830.56x = 2,794,039,069.18
  5. Step 5: Solve for x
    x = 2,794,039,069.18/76,830.56
  6. Step 6: Final answer
    x = 36,366.25

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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.