Home / 89,998.41-124,213.76-51,755.01

Finding the Fourth Proportional to 89,998.41, 124,213.76 and 51,755.01

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Solution

The fourth proportional to 89,998.41, 124,213.76 and 51,755.01 is: 71,431.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,998.41 : 124,213.76 = 51,755.01 : x
  2. Step 2: Convert to fraction form
    89,998.41/124,213.76 = 51,755.01/x
  3. Step 3: Cross multiply
    89,998.41x = 124,213.76 × 51,755.01
  4. Step 4: Simplify right side
    89,998.41x = 6,428,684,390.94
  5. Step 5: Solve for x
    x = 6,428,684,390.94/89,998.41
  6. Step 6: Final answer
    x = 71,431.09

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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.