Home / 76,205.20-114,401.40-48,125.20

Finding the Fourth Proportional to 76,205.20, 114,401.40 and 48,125.20

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Solution

The fourth proportional to 76,205.20, 114,401.40 and 48,125.20 is: 72,246.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,205.20 : 114,401.40 = 48,125.20 : x
  2. Step 2: Convert to fraction form
    76,205.20/114,401.40 = 48,125.20/x
  3. Step 3: Cross multiply
    76,205.20x = 114,401.40 × 48,125.20
  4. Step 4: Simplify right side
    76,205.20x = 5,505,590,255.28
  5. Step 5: Solve for x
    x = 5,505,590,255.28/76,205.20
  6. Step 6: Final answer
    x = 72,246.91

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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.