Home / 51,216.80-76,825.20-41,885.60

Finding the Fourth Proportional to 51,216.80, 76,825.20 and 41,885.60

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Solution

The fourth proportional to 51,216.80, 76,825.20 and 41,885.60 is: 62,828.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,216.80 : 76,825.20 = 41,885.60 : x
  2. Step 2: Convert to fraction form
    51,216.80/76,825.20 = 41,885.60/x
  3. Step 3: Cross multiply
    51,216.80x = 76,825.20 × 41,885.60
  4. Step 4: Simplify right side
    51,216.80x = 3,217,869,597.12
  5. Step 5: Solve for x
    x = 3,217,869,597.12/51,216.80
  6. Step 6: Final answer
    x = 62,828.40

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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.