Home / 57,971.21-86,936.30-27,572.76

Finding the Fourth Proportional to 57,971.21, 86,936.30 and 27,572.76

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Solution

The fourth proportional to 57,971.21, 86,936.30 and 27,572.76 is: 41,349.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,971.21 : 86,936.30 = 27,572.76 : x
  2. Step 2: Convert to fraction form
    57,971.21/86,936.30 = 27,572.76/x
  3. Step 3: Cross multiply
    57,971.21x = 86,936.30 × 27,572.76
  4. Step 4: Simplify right side
    57,971.21x = 2,397,073,804.12
  5. Step 5: Solve for x
    x = 2,397,073,804.12/57,971.21
  6. Step 6: Final answer
    x = 41,349.39

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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.