Home / 57,572.08-86,361.21-18,132.28

Finding the Fourth Proportional to 57,572.08, 86,361.21 and 18,132.28

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Solution

The fourth proportional to 57,572.08, 86,361.21 and 18,132.28 is: 27,199.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,572.08 : 86,361.21 = 18,132.28 : x
  2. Step 2: Convert to fraction form
    57,572.08/86,361.21 = 18,132.28/x
  3. Step 3: Cross multiply
    57,572.08x = 86,361.21 × 18,132.28
  4. Step 4: Simplify right side
    57,572.08x = 1,565,925,424.96
  5. Step 5: Solve for x
    x = 1,565,925,424.96/57,572.08
  6. Step 6: Final answer
    x = 27,199.39

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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.