Home / 89,496.60-123,504.20-49,210.04

Finding the Fourth Proportional to 89,496.60, 123,504.20 and 49,210.04

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Solution

The fourth proportional to 89,496.60, 123,504.20 and 49,210.04 is: 67,909.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,496.60 : 123,504.20 = 49,210.04 : x
  2. Step 2: Convert to fraction form
    89,496.60/123,504.20 = 49,210.04/x
  3. Step 3: Cross multiply
    89,496.60x = 123,504.20 × 49,210.04
  4. Step 4: Simplify right side
    89,496.60x = 6,077,646,622.17
  5. Step 5: Solve for x
    x = 6,077,646,622.17/89,496.60
  6. Step 6: Final answer
    x = 67,909.25

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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.