Home / 71,513.22-98,690.88-43,213.44

Finding the Fourth Proportional to 71,513.22, 98,690.88 and 43,213.44

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Solution

The fourth proportional to 71,513.22, 98,690.88 and 43,213.44 is: 59,636.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,513.22 : 98,690.88 = 43,213.44 : x
  2. Step 2: Convert to fraction form
    71,513.22/98,690.88 = 43,213.44/x
  3. Step 3: Cross multiply
    71,513.22x = 98,690.88 × 43,213.44
  4. Step 4: Simplify right side
    71,513.22x = 4,264,772,421.43
  5. Step 5: Solve for x
    x = 4,264,772,421.43/71,513.22
  6. Step 6: Final answer
    x = 59,636.14

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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.