Home / 57,921.50-79,624.84-49,825.46

Finding the Fourth Proportional to 57,921.50, 79,624.84 and 49,825.46

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Solution

The fourth proportional to 57,921.50, 79,624.84 and 49,825.46 is: 68,495.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,921.50 : 79,624.84 = 49,825.46 : x
  2. Step 2: Convert to fraction form
    57,921.50/79,624.84 = 49,825.46/x
  3. Step 3: Cross multiply
    57,921.50x = 79,624.84 × 49,825.46
  4. Step 4: Simplify right side
    57,921.50x = 3,967,344,280.43
  5. Step 5: Solve for x
    x = 3,967,344,280.43/57,921.50
  6. Step 6: Final answer
    x = 68,495.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.