Home / 123,110.55-184,679.19-38,872.98

Finding the Fourth Proportional to 123,110.55, 184,679.19 and 38,872.98

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Solution

The fourth proportional to 123,110.55, 184,679.19 and 38,872.98 is: 58,313.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,110.55 : 184,679.19 = 38,872.98 : x
  2. Step 2: Convert to fraction form
    123,110.55/184,679.19 = 38,872.98/x
  3. Step 3: Cross multiply
    123,110.55x = 184,679.19 × 38,872.98
  4. Step 4: Simplify right side
    123,110.55x = 7,179,030,459.29
  5. Step 5: Solve for x
    x = 7,179,030,459.29/123,110.55
  6. Step 6: Final answer
    x = 58,313.69

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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.