Home / 98,072.20-147,067.98-38,899.72

Finding the Fourth Proportional to 98,072.20, 147,067.98 and 38,899.72

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Solution

The fourth proportional to 98,072.20, 147,067.98 and 38,899.72 is: 58,333.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,072.20 : 147,067.98 = 38,899.72 : x
  2. Step 2: Convert to fraction form
    98,072.20/147,067.98 = 38,899.72/x
  3. Step 3: Cross multiply
    98,072.20x = 147,067.98 × 38,899.72
  4. Step 4: Simplify right side
    98,072.20x = 5,720,903,242.97
  5. Step 5: Solve for x
    x = 5,720,903,242.97/98,072.20
  6. Step 6: Final answer
    x = 58,333.59

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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.