Home / 107,969.02-161,972.67-51,910.75

Finding the Fourth Proportional to 107,969.02, 161,972.67 and 51,910.75

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Solution

The fourth proportional to 107,969.02, 161,972.67 and 51,910.75 is: 77,875.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,969.02 : 161,972.67 = 51,910.75 : x
  2. Step 2: Convert to fraction form
    107,969.02/161,972.67 = 51,910.75/x
  3. Step 3: Cross multiply
    107,969.02x = 161,972.67 × 51,910.75
  4. Step 4: Simplify right side
    107,969.02x = 8,408,122,779.20
  5. Step 5: Solve for x
    x = 8,408,122,779.20/107,969.02
  6. Step 6: Final answer
    x = 77,875.33

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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.