Home / 57,922.40-87,013.20-55,560.80

Finding the Fourth Proportional to 57,922.40, 87,013.20 and 55,560.80

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Solution

The fourth proportional to 57,922.40, 87,013.20 and 55,560.80 is: 83,465.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,922.40 : 87,013.20 = 55,560.80 : x
  2. Step 2: Convert to fraction form
    57,922.40/87,013.20 = 55,560.80/x
  3. Step 3: Cross multiply
    57,922.40x = 87,013.20 × 55,560.80
  4. Step 4: Simplify right side
    57,922.40x = 4,834,523,002.56
  5. Step 5: Solve for x
    x = 4,834,523,002.56/57,922.40
  6. Step 6: Final answer
    x = 83,465.52

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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.