Home / 120,041.73-165,657.24-66,326.36

Finding the Fourth Proportional to 120,041.73, 165,657.24 and 66,326.36

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Solution

The fourth proportional to 120,041.73, 165,657.24 and 66,326.36 is: 91,530.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,041.73 : 165,657.24 = 66,326.36 : x
  2. Step 2: Convert to fraction form
    120,041.73/165,657.24 = 66,326.36/x
  3. Step 3: Cross multiply
    120,041.73x = 165,657.24 × 66,326.36
  4. Step 4: Simplify right side
    120,041.73x = 10,987,441,778.50
  5. Step 5: Solve for x
    x = 10,987,441,778.50/120,041.73
  6. Step 6: Final answer
    x = 91,530.19

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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.