Home / 89,486.70-123,493.50-49,202.16

Finding the Fourth Proportional to 89,486.70, 123,493.50 and 49,202.16

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Solution

The fourth proportional to 89,486.70, 123,493.50 and 49,202.16 is: 67,900.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,486.70 : 123,493.50 = 49,202.16 : x
  2. Step 2: Convert to fraction form
    89,486.70/123,493.50 = 49,202.16/x
  3. Step 3: Cross multiply
    89,486.70x = 123,493.50 × 49,202.16
  4. Step 4: Simplify right side
    89,486.70x = 6,076,146,945.96
  5. Step 5: Solve for x
    x = 6,076,146,945.96/89,486.70
  6. Step 6: Final answer
    x = 67,900.00

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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.