Home / 89,210.30-123,109.88-48,923.04

Finding the Fourth Proportional to 89,210.30, 123,109.88 and 48,923.04

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Solution

The fourth proportional to 89,210.30, 123,109.88 and 48,923.04 is: 67,513.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,210.30 : 123,109.88 = 48,923.04 : x
  2. Step 2: Convert to fraction form
    89,210.30/123,109.88 = 48,923.04/x
  3. Step 3: Cross multiply
    89,210.30x = 123,109.88 × 48,923.04
  4. Step 4: Simplify right side
    89,210.30x = 6,022,909,583.64
  5. Step 5: Solve for x
    x = 6,022,909,583.64/89,210.30
  6. Step 6: Final answer
    x = 67,513.61

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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.