Home / 57,812.60-86,546.10-51,591.80

Finding the Fourth Proportional to 57,812.60, 86,546.10 and 51,591.80

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Solution

The fourth proportional to 57,812.60, 86,546.10 and 51,591.80 is: 77,233.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,812.60 : 86,546.10 = 51,591.80 : x
  2. Step 2: Convert to fraction form
    57,812.60/86,546.10 = 51,591.80/x
  3. Step 3: Cross multiply
    57,812.60x = 86,546.10 × 51,591.80
  4. Step 4: Simplify right side
    57,812.60x = 4,465,069,081.98
  5. Step 5: Solve for x
    x = 4,465,069,081.98/57,812.60
  6. Step 6: Final answer
    x = 77,233.49

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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.