Home / 107,899.57-161,849.36-45,570.61

Finding the Fourth Proportional to 107,899.57, 161,849.36 and 45,570.61

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Solution

The fourth proportional to 107,899.57, 161,849.36 and 45,570.61 is: 68,355.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,899.57 : 161,849.36 = 45,570.61 : x
  2. Step 2: Convert to fraction form
    107,899.57/161,849.36 = 45,570.61/x
  3. Step 3: Cross multiply
    107,899.57x = 161,849.36 × 45,570.61
  4. Step 4: Simplify right side
    107,899.57x = 7,375,574,063.31
  5. Step 5: Solve for x
    x = 7,375,574,063.31/107,899.57
  6. Step 6: Final answer
    x = 68,355.92

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1.5x scale

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.