Home / 89,489.03-123,493.14-49,202.39

Finding the Fourth Proportional to 89,489.03, 123,493.14 and 49,202.39

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Solution

The fourth proportional to 89,489.03, 123,493.14 and 49,202.39 is: 67,898.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,489.03 : 123,493.14 = 49,202.39 : x
  2. Step 2: Convert to fraction form
    89,489.03/123,493.14 = 49,202.39/x
  3. Step 3: Cross multiply
    89,489.03x = 123,493.14 × 49,202.39
  4. Step 4: Simplify right side
    89,489.03x = 6,076,157,945.34
  5. Step 5: Solve for x
    x = 6,076,157,945.34/89,489.03
  6. Step 6: Final answer
    x = 67,898.36

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1.5x scale

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.