Home / 123,359.47-184,890.09-60,084.78

Finding the Fourth Proportional to 123,359.47, 184,890.09 and 60,084.78

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Solution

The fourth proportional to 123,359.47, 184,890.09 and 60,084.78 is: 90,054.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,359.47 : 184,890.09 = 60,084.78 : x
  2. Step 2: Convert to fraction form
    123,359.47/184,890.09 = 60,084.78/x
  3. Step 3: Cross multiply
    123,359.47x = 184,890.09 × 60,084.78
  4. Step 4: Simplify right side
    123,359.47x = 11,109,079,913.81
  5. Step 5: Solve for x
    x = 11,109,079,913.81/123,359.47
  6. Step 6: Final answer
    x = 90,054.54

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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.