Home / 80,999.20-121,483.14-24,825.70

Finding the Fourth Proportional to 80,999.20, 121,483.14 and 24,825.70

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Solution

The fourth proportional to 80,999.20, 121,483.14 and 24,825.70 is: 37,233.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,999.20 : 121,483.14 = 24,825.70 : x
  2. Step 2: Convert to fraction form
    80,999.20/121,483.14 = 24,825.70/x
  3. Step 3: Cross multiply
    80,999.20x = 121,483.14 × 24,825.70
  4. Step 4: Simplify right side
    80,999.20x = 3,015,903,988.70
  5. Step 5: Solve for x
    x = 3,015,903,988.70/80,999.20
  6. Step 6: Final answer
    x = 37,233.75

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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.