Home / 107,903.40-161,778.30-41,317.80

Finding the Fourth Proportional to 107,903.40, 161,778.30 and 41,317.80

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Solution

The fourth proportional to 107,903.40, 161,778.30 and 41,317.80 is: 61,947.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,903.40 : 161,778.30 = 41,317.80 : x
  2. Step 2: Convert to fraction form
    107,903.40/161,778.30 = 41,317.80/x
  3. Step 3: Cross multiply
    107,903.40x = 161,778.30 × 41,317.80
  4. Step 4: Simplify right side
    107,903.40x = 6,684,323,443.74
  5. Step 5: Solve for x
    x = 6,684,323,443.74/107,903.40
  6. Step 6: Final answer
    x = 61,947.29

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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.