Home / 89,259.20-123,261-57,483.44

Finding the Fourth Proportional to 89,259.20, 123,261 and 57,483.44

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Solution

The fourth proportional to 89,259.20, 123,261 and 57,483.44 is: 79,380.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,259.20 : 123,261 = 57,483.44 : x
  2. Step 2: Convert to fraction form
    89,259.20/123,261 = 57,483.44/x
  3. Step 3: Cross multiply
    89,259.20x = 123,261 × 57,483.44
  4. Step 4: Simplify right side
    89,259.20x = 7,085,466,297.84
  5. Step 5: Solve for x
    x = 7,085,466,297.84/89,259.20
  6. Step 6: Final answer
    x = 79,380.80

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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.