Home / 123,607.08-170,581.37-69,890.96

Finding the Fourth Proportional to 123,607.08, 170,581.37 and 69,890.96

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Solution

The fourth proportional to 123,607.08, 170,581.37 and 69,890.96 is: 96,451.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,607.08 : 170,581.37 = 69,890.96 : x
  2. Step 2: Convert to fraction form
    123,607.08/170,581.37 = 69,890.96/x
  3. Step 3: Cross multiply
    123,607.08x = 170,581.37 × 69,890.96
  4. Step 4: Simplify right side
    123,607.08x = 11,922,094,505.05
  5. Step 5: Solve for x
    x = 11,922,094,505.05/123,607.08
  6. Step 6: Final answer
    x = 96,451.55

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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.