Home / 76,500.20-114,750.30-23,909.60

Finding the Fourth Proportional to 76,500.20, 114,750.30 and 23,909.60

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Solution

The fourth proportional to 76,500.20, 114,750.30 and 23,909.60 is: 35,864.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,500.20 : 114,750.30 = 23,909.60 : x
  2. Step 2: Convert to fraction form
    76,500.20/114,750.30 = 23,909.60/x
  3. Step 3: Cross multiply
    76,500.20x = 114,750.30 × 23,909.60
  4. Step 4: Simplify right side
    76,500.20x = 2,743,633,772.88
  5. Step 5: Solve for x
    x = 2,743,633,772.88/76,500.20
  6. Step 6: Final answer
    x = 35,864.40

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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.