Home / 124,919.08-187,408.62-36,178.72

Finding the Fourth Proportional to 124,919.08, 187,408.62 and 36,178.72

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Solution

The fourth proportional to 124,919.08, 187,408.62 and 36,178.72 is: 54,276.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,919.08 : 187,408.62 = 36,178.72 : x
  2. Step 2: Convert to fraction form
    124,919.08/187,408.62 = 36,178.72/x
  3. Step 3: Cross multiply
    124,919.08x = 187,408.62 × 36,178.72
  4. Step 4: Simplify right side
    124,919.08x = 6,780,203,988.57
  5. Step 5: Solve for x
    x = 6,780,203,988.57/124,919.08
  6. Step 6: Final answer
    x = 54,276.77

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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.