Home / 89,410.22-123,334.76-55,817.90

Finding the Fourth Proportional to 89,410.22, 123,334.76 and 55,817.90

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Solution

The fourth proportional to 89,410.22, 123,334.76 and 55,817.90 is: 76,996.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,410.22 : 123,334.76 = 55,817.90 : x
  2. Step 2: Convert to fraction form
    89,410.22/123,334.76 = 55,817.90/x
  3. Step 3: Cross multiply
    89,410.22x = 123,334.76 × 55,817.90
  4. Step 4: Simplify right side
    89,410.22x = 6,884,287,300.20
  5. Step 5: Solve for x
    x = 6,884,287,300.20/89,410.22
  6. Step 6: Final answer
    x = 76,996.65

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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.