Home / 57,795.56-86,696.33-18,355.76

Finding the Fourth Proportional to 57,795.56, 86,696.33 and 18,355.76

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Solution

The fourth proportional to 57,795.56, 86,696.33 and 18,355.76 is: 27,534.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,795.56 : 86,696.33 = 18,355.76 : x
  2. Step 2: Convert to fraction form
    57,795.56/86,696.33 = 18,355.76/x
  3. Step 3: Cross multiply
    57,795.56x = 86,696.33 × 18,355.76
  4. Step 4: Simplify right side
    57,795.56x = 1,591,376,638.77
  5. Step 5: Solve for x
    x = 1,591,376,638.77/57,795.56
  6. Step 6: Final answer
    x = 27,534.59

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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.