Home / 57,256.70-86,115.45-51,266.30

Finding the Fourth Proportional to 57,256.70, 86,115.45 and 51,266.30

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Solution

The fourth proportional to 57,256.70, 86,115.45 and 51,266.30 is: 77,105.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,256.70 : 86,115.45 = 51,266.30 : x
  2. Step 2: Convert to fraction form
    57,256.70/86,115.45 = 51,266.30/x
  3. Step 3: Cross multiply
    57,256.70x = 86,115.45 × 51,266.30
  4. Step 4: Simplify right side
    57,256.70x = 4,414,820,494.34
  5. Step 5: Solve for x
    x = 4,414,820,494.34/57,256.70
  6. Step 6: Final answer
    x = 77,105.74

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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.