Home / 107,675.88-161,408.90-51,501.32

Finding the Fourth Proportional to 107,675.88, 161,408.90 and 51,501.32

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Solution

The fourth proportional to 107,675.88, 161,408.90 and 51,501.32 is: 77,201.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,675.88 : 161,408.90 = 51,501.32 : x
  2. Step 2: Convert to fraction form
    107,675.88/161,408.90 = 51,501.32/x
  3. Step 3: Cross multiply
    107,675.88x = 161,408.90 × 51,501.32
  4. Step 4: Simplify right side
    107,675.88x = 8,312,771,409.75
  5. Step 5: Solve for x
    x = 8,312,771,409.75/107,675.88
  6. Step 6: Final answer
    x = 77,201.80

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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.