Home / 124,507.85-186,763.44-39,115.94

Finding the Fourth Proportional to 124,507.85, 186,763.44 and 39,115.94

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Solution

The fourth proportional to 124,507.85, 186,763.44 and 39,115.94 is: 58,674.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,507.85 : 186,763.44 = 39,115.94 : x
  2. Step 2: Convert to fraction form
    124,507.85/186,763.44 = 39,115.94/x
  3. Step 3: Cross multiply
    124,507.85x = 186,763.44 × 39,115.94
  4. Step 4: Simplify right side
    124,507.85x = 7,305,426,579.42
  5. Step 5: Solve for x
    x = 7,305,426,579.42/124,507.85
  6. Step 6: Final answer
    x = 58,674.43

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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.