Home / 123,278.42-184,918.85-39,037.01

Finding the Fourth Proportional to 123,278.42, 184,918.85 and 39,037.01

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Solution

The fourth proportional to 123,278.42, 184,918.85 and 39,037.01 is: 58,555.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,278.42 : 184,918.85 = 39,037.01 : x
  2. Step 2: Convert to fraction form
    123,278.42/184,918.85 = 39,037.01/x
  3. Step 3: Cross multiply
    123,278.42x = 184,918.85 × 39,037.01
  4. Step 4: Simplify right side
    123,278.42x = 7,218,678,023.25
  5. Step 5: Solve for x
    x = 7,218,678,023.25/123,278.42
  6. Step 6: Final answer
    x = 58,555.89

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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.