Home / 71,370.21-98,486.63-39,536.81

Finding the Fourth Proportional to 71,370.21, 98,486.63 and 39,536.81

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Solution

The fourth proportional to 71,370.21, 98,486.63 and 39,536.81 is: 54,558.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,370.21 : 98,486.63 = 39,536.81 : x
  2. Step 2: Convert to fraction form
    71,370.21/98,486.63 = 39,536.81/x
  3. Step 3: Cross multiply
    71,370.21x = 98,486.63 × 39,536.81
  4. Step 4: Simplify right side
    71,370.21x = 3,893,847,227.72
  5. Step 5: Solve for x
    x = 3,893,847,227.72/71,370.21
  6. Step 6: Final answer
    x = 54,558.44

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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.