Home / 120,783.33-166,675.41-67,071.75

Finding the Fourth Proportional to 120,783.33, 166,675.41 and 67,071.75

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Solution

The fourth proportional to 120,783.33, 166,675.41 and 67,071.75 is: 92,555.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,783.33 : 166,675.41 = 67,071.75 : x
  2. Step 2: Convert to fraction form
    120,783.33/166,675.41 = 67,071.75/x
  3. Step 3: Cross multiply
    120,783.33x = 166,675.41 × 67,071.75
  4. Step 4: Simplify right side
    120,783.33x = 11,179,211,430.67
  5. Step 5: Solve for x
    x = 11,179,211,430.67/120,783.33
  6. Step 6: Final answer
    x = 92,555.91

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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.