Home / 123,623.70-185,435.55-34,876.05

Finding the Fourth Proportional to 123,623.70, 185,435.55 and 34,876.05

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Solution

The fourth proportional to 123,623.70, 185,435.55 and 34,876.05 is: 52,314.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,623.70 : 185,435.55 = 34,876.05 : x
  2. Step 2: Convert to fraction form
    123,623.70/185,435.55 = 34,876.05/x
  3. Step 3: Cross multiply
    123,623.70x = 185,435.55 × 34,876.05
  4. Step 4: Simplify right side
    123,623.70x = 6,467,259,513.58
  5. Step 5: Solve for x
    x = 6,467,259,513.58/123,623.70
  6. Step 6: Final answer
    x = 52,314.08

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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.