Home / 107,664.83-148,577.25-66,813.75

Finding the Fourth Proportional to 107,664.83, 148,577.25 and 66,813.75

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Solution

The fourth proportional to 107,664.83, 148,577.25 and 66,813.75 is: 92,202.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,664.83 : 148,577.25 = 66,813.75 : x
  2. Step 2: Convert to fraction form
    107,664.83/148,577.25 = 66,813.75/x
  3. Step 3: Cross multiply
    107,664.83x = 148,577.25 × 66,813.75
  4. Step 4: Simplify right side
    107,664.83x = 9,927,003,237.19
  5. Step 5: Solve for x
    x = 9,927,003,237.19/107,664.83
  6. Step 6: Final answer
    x = 92,202.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.