Home / 89,485.04-123,489.41-49,199.49

Finding the Fourth Proportional to 89,485.04, 123,489.41 and 49,199.49

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Solution

The fourth proportional to 89,485.04, 123,489.41 and 49,199.49 is: 67,895.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,485.04 : 123,489.41 = 49,199.49 : x
  2. Step 2: Convert to fraction form
    89,485.04/123,489.41 = 49,199.49/x
  3. Step 3: Cross multiply
    89,485.04x = 123,489.41 × 49,199.49
  4. Step 4: Simplify right side
    89,485.04x = 6,075,615,992.40
  5. Step 5: Solve for x
    x = 6,075,615,992.40/89,485.04
  6. Step 6: Final answer
    x = 67,895.33

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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.