Home / 67,141.06-100,620.87-25,565.38

Finding the Fourth Proportional to 67,141.06, 100,620.87 and 25,565.38

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Solution

The fourth proportional to 67,141.06, 100,620.87 and 25,565.38 is: 38,313.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,141.06 : 100,620.87 = 25,565.38 : x
  2. Step 2: Convert to fraction form
    67,141.06/100,620.87 = 25,565.38/x
  3. Step 3: Cross multiply
    67,141.06x = 100,620.87 × 25,565.38
  4. Step 4: Simplify right side
    67,141.06x = 2,572,410,430.06
  5. Step 5: Solve for x
    x = 2,572,410,430.06/67,141.06
  6. Step 6: Final answer
    x = 38,313.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.