Home / 57,438.72-86,180.32-27,854.40

Finding the Fourth Proportional to 57,438.72, 86,180.32 and 27,854.40

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Solution

The fourth proportional to 57,438.72, 86,180.32 and 27,854.40 is: 41,792.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,438.72 : 86,180.32 = 27,854.40 : x
  2. Step 2: Convert to fraction form
    57,438.72/86,180.32 = 27,854.40/x
  3. Step 3: Cross multiply
    57,438.72x = 86,180.32 × 27,854.40
  4. Step 4: Simplify right side
    57,438.72x = 2,400,501,105.41
  5. Step 5: Solve for x
    x = 2,400,501,105.41/57,438.72
  6. Step 6: Final answer
    x = 41,792.39

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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.