Home / 89,627.54-123,672.30-51,894.50

Finding the Fourth Proportional to 89,627.54, 123,672.30 and 51,894.50

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Solution

The fourth proportional to 89,627.54, 123,672.30 and 51,894.50 is: 71,606.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,627.54 : 123,672.30 = 51,894.50 : x
  2. Step 2: Convert to fraction form
    89,627.54/123,672.30 = 51,894.50/x
  3. Step 3: Cross multiply
    89,627.54x = 123,672.30 × 51,894.50
  4. Step 4: Simplify right side
    89,627.54x = 6,417,912,172.35
  5. Step 5: Solve for x
    x = 6,417,912,172.35/89,627.54
  6. Step 6: Final answer
    x = 71,606.47

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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.