Home / 76,807.43-115,211.16-24,221.03

Finding the Fourth Proportional to 76,807.43, 115,211.16 and 24,221.03

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Solution

The fourth proportional to 76,807.43, 115,211.16 and 24,221.03 is: 36,331.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,807.43 : 115,211.16 = 24,221.03 : x
  2. Step 2: Convert to fraction form
    76,807.43/115,211.16 = 24,221.03/x
  3. Step 3: Cross multiply
    76,807.43x = 115,211.16 × 24,221.03
  4. Step 4: Simplify right side
    76,807.43x = 2,790,532,962.69
  5. Step 5: Solve for x
    x = 2,790,532,962.69/76,807.43
  6. Step 6: Final answer
    x = 36,331.55

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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.