Home / 75,249-112,839.30-35,853.72

Finding the Fourth Proportional to 75,249, 112,839.30 and 35,853.72

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Solution

The fourth proportional to 75,249, 112,839.30 and 35,853.72 is: 53,764.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,249 : 112,839.30 = 35,853.72 : x
  2. Step 2: Convert to fraction form
    75,249/112,839.30 = 35,853.72/x
  3. Step 3: Cross multiply
    75,249x = 112,839.30 × 35,853.72
  4. Step 4: Simplify right side
    75,249x = 4,045,708,667.20
  5. Step 5: Solve for x
    x = 4,045,708,667.20/75,249
  6. Step 6: Final answer
    x = 53,764.28

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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.