Home / 71,371.16-98,484.61-39,536.94

Finding the Fourth Proportional to 71,371.16, 98,484.61 and 39,536.94

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Solution

The fourth proportional to 71,371.16, 98,484.61 and 39,536.94 is: 54,556.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,371.16 : 98,484.61 = 39,536.94 : x
  2. Step 2: Convert to fraction form
    71,371.16/98,484.61 = 39,536.94/x
  3. Step 3: Cross multiply
    71,371.16x = 98,484.61 × 39,536.94
  4. Step 4: Simplify right side
    71,371.16x = 3,893,780,461.10
  5. Step 5: Solve for x
    x = 3,893,780,461.10/71,371.16
  6. Step 6: Final answer
    x = 54,556.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.