Home / 89,675.13-123,752.50-49,389.03

Finding the Fourth Proportional to 89,675.13, 123,752.50 and 49,389.03

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Solution

The fourth proportional to 89,675.13, 123,752.50 and 49,389.03 is: 68,157.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,675.13 : 123,752.50 = 49,389.03 : x
  2. Step 2: Convert to fraction form
    89,675.13/123,752.50 = 49,389.03/x
  3. Step 3: Cross multiply
    89,675.13x = 123,752.50 × 49,389.03
  4. Step 4: Simplify right side
    89,675.13x = 6,112,015,568.12
  5. Step 5: Solve for x
    x = 6,112,015,568.12/89,675.13
  6. Step 6: Final answer
    x = 68,157.31

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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.