Home / 57,558.60-86,224.91-51,289.20

Finding the Fourth Proportional to 57,558.60, 86,224.91 and 51,289.20

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Solution

The fourth proportional to 57,558.60, 86,224.91 and 51,289.20 is: 76,833.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,558.60 : 86,224.91 = 51,289.20 : x
  2. Step 2: Convert to fraction form
    57,558.60/86,224.91 = 51,289.20/x
  3. Step 3: Cross multiply
    57,558.60x = 86,224.91 × 51,289.20
  4. Step 4: Simplify right side
    57,558.60x = 4,422,406,397.53
  5. Step 5: Solve for x
    x = 4,422,406,397.53/57,558.60
  6. Step 6: Final answer
    x = 76,833.11

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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.