Home / 57,072.90-85,686.30-33,404.70

Finding the Fourth Proportional to 57,072.90, 85,686.30 and 33,404.70

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Solution

The fourth proportional to 57,072.90, 85,686.30 and 33,404.70 is: 50,152.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,072.90 : 85,686.30 = 33,404.70 : x
  2. Step 2: Convert to fraction form
    57,072.90/85,686.30 = 33,404.70/x
  3. Step 3: Cross multiply
    57,072.90x = 85,686.30 × 33,404.70
  4. Step 4: Simplify right side
    57,072.90x = 2,862,325,145.61
  5. Step 5: Solve for x
    x = 2,862,325,145.61/57,072.90
  6. Step 6: Final answer
    x = 50,152.09

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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.