Home / 71,518.22-98,697.78-43,218.44

Finding the Fourth Proportional to 71,518.22, 98,697.78 and 43,218.44

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Solution

The fourth proportional to 71,518.22, 98,697.78 and 43,218.44 is: 59,643.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,518.22 : 98,697.78 = 43,218.44 : x
  2. Step 2: Convert to fraction form
    71,518.22/98,697.78 = 43,218.44/x
  3. Step 3: Cross multiply
    71,518.22x = 98,697.78 × 43,218.44
  4. Step 4: Simplify right side
    71,518.22x = 4,265,564,083.06
  5. Step 5: Solve for x
    x = 4,265,564,083.06/71,518.22
  6. Step 6: Final answer
    x = 59,643.04

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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.