Home / 89,259.82-123,182.04-48,975.28

Finding the Fourth Proportional to 89,259.82, 123,182.04 and 48,975.28

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Solution

The fourth proportional to 89,259.82, 123,182.04 and 48,975.28 is: 67,587.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,259.82 : 123,182.04 = 48,975.28 : x
  2. Step 2: Convert to fraction form
    89,259.82/123,182.04 = 48,975.28/x
  3. Step 3: Cross multiply
    89,259.82x = 123,182.04 × 48,975.28
  4. Step 4: Simplify right side
    89,259.82x = 6,032,874,899.97
  5. Step 5: Solve for x
    x = 6,032,874,899.97/89,259.82
  6. Step 6: Final answer
    x = 67,587.80

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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.