Home / 89,476.70-123,481.14-51,242.18

Finding the Fourth Proportional to 89,476.70, 123,481.14 and 51,242.18

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Solution

The fourth proportional to 89,476.70, 123,481.14 and 51,242.18 is: 70,716.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,476.70 : 123,481.14 = 51,242.18 : x
  2. Step 2: Convert to fraction form
    89,476.70/123,481.14 = 51,242.18/x
  3. Step 3: Cross multiply
    89,476.70x = 123,481.14 × 51,242.18
  4. Step 4: Simplify right side
    89,476.70x = 6,327,442,802.49
  5. Step 5: Solve for x
    x = 6,327,442,802.49/89,476.70
  6. Step 6: Final answer
    x = 70,716.09

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1.5x scale

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.