Home / 71,052.64-98,052.18-39,221.53

Finding the Fourth Proportional to 71,052.64, 98,052.18 and 39,221.53

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Solution

The fourth proportional to 71,052.64, 98,052.18 and 39,221.53 is: 54,125.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,052.64 : 98,052.18 = 39,221.53 : x
  2. Step 2: Convert to fraction form
    71,052.64/98,052.18 = 39,221.53/x
  3. Step 3: Cross multiply
    71,052.64x = 98,052.18 × 39,221.53
  4. Step 4: Simplify right side
    71,052.64x = 3,845,756,519.44
  5. Step 5: Solve for x
    x = 3,845,756,519.44/71,052.64
  6. Step 6: Final answer
    x = 54,125.46

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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.