Home / 57,705.60-86,558.40-41,959.20

Finding the Fourth Proportional to 57,705.60, 86,558.40 and 41,959.20

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Solution

The fourth proportional to 57,705.60, 86,558.40 and 41,959.20 is: 62,938.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,705.60 : 86,558.40 = 41,959.20 : x
  2. Step 2: Convert to fraction form
    57,705.60/86,558.40 = 41,959.20/x
  3. Step 3: Cross multiply
    57,705.60x = 86,558.40 × 41,959.20
  4. Step 4: Simplify right side
    57,705.60x = 3,631,921,217.28
  5. Step 5: Solve for x
    x = 3,631,921,217.28/57,705.60
  6. Step 6: Final answer
    x = 62,938.80

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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.