Home / 120,033.48-165,655.89-66,323.19

Finding the Fourth Proportional to 120,033.48, 165,655.89 and 66,323.19

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Solution

The fourth proportional to 120,033.48, 165,655.89 and 66,323.19 is: 91,531.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,033.48 : 165,655.89 = 66,323.19 : x
  2. Step 2: Convert to fraction form
    120,033.48/165,655.89 = 66,323.19/x
  3. Step 3: Cross multiply
    120,033.48x = 165,655.89 × 66,323.19
  4. Step 4: Simplify right side
    120,033.48x = 10,986,827,067.09
  5. Step 5: Solve for x
    x = 10,986,827,067.09/120,033.48
  6. Step 6: Final answer
    x = 91,531.35

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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.