Home / 55,765.64-83,638.78-18,325.96

Finding the Fourth Proportional to 55,765.64, 83,638.78 and 18,325.96

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Solution

The fourth proportional to 55,765.64, 83,638.78 and 18,325.96 is: 27,485.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,765.64 : 83,638.78 = 18,325.96 : x
  2. Step 2: Convert to fraction form
    55,765.64/83,638.78 = 18,325.96/x
  3. Step 3: Cross multiply
    55,765.64x = 83,638.78 × 18,325.96
  4. Step 4: Simplify right side
    55,765.64x = 1,532,760,681.82
  5. Step 5: Solve for x
    x = 1,532,760,681.82/55,765.64
  6. Step 6: Final answer
    x = 27,485.75

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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.