Home / 57,187.86-85,806.36-27,627.81

Finding the Fourth Proportional to 57,187.86, 85,806.36 and 27,627.81

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Solution

The fourth proportional to 57,187.86, 85,806.36 and 27,627.81 is: 41,453.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,187.86 : 85,806.36 = 27,627.81 : x
  2. Step 2: Convert to fraction form
    57,187.86/85,806.36 = 27,627.81/x
  3. Step 3: Cross multiply
    57,187.86x = 85,806.36 × 27,627.81
  4. Step 4: Simplify right side
    57,187.86x = 2,370,641,810.87
  5. Step 5: Solve for x
    x = 2,370,641,810.87/57,187.86
  6. Step 6: Final answer
    x = 41,453.58

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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.