Home / 89,496.87-123,506.52-49,210.89

Finding the Fourth Proportional to 89,496.87, 123,506.52 and 49,210.89

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Solution

The fourth proportional to 89,496.87, 123,506.52 and 49,210.89 is: 67,911.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,496.87 : 123,506.52 = 49,210.89 : x
  2. Step 2: Convert to fraction form
    89,496.87/123,506.52 = 49,210.89/x
  3. Step 3: Cross multiply
    89,496.87x = 123,506.52 × 49,210.89
  4. Step 4: Simplify right side
    89,496.87x = 6,077,865,770.00
  5. Step 5: Solve for x
    x = 6,077,865,770.00/89,496.87
  6. Step 6: Final answer
    x = 67,911.49

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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.