Home / 89,190.68-123,088.77-58,922.93

Finding the Fourth Proportional to 89,190.68, 123,088.77 and 58,922.93

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Solution

The fourth proportional to 89,190.68, 123,088.77 and 58,922.93 is: 81,317.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,190.68 : 123,088.77 = 58,922.93 : x
  2. Step 2: Convert to fraction form
    89,190.68/123,088.77 = 58,922.93/x
  3. Step 3: Cross multiply
    89,190.68x = 123,088.77 × 58,922.93
  4. Step 4: Simplify right side
    89,190.68x = 7,252,751,286.22
  5. Step 5: Solve for x
    x = 7,252,751,286.22/89,190.68
  6. Step 6: Final answer
    x = 81,317.37

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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.