Home / 120,062.46-165,696.90-66,347.04

Finding the Fourth Proportional to 120,062.46, 165,696.90 and 66,347.04

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Solution

The fourth proportional to 120,062.46, 165,696.90 and 66,347.04 is: 91,564.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,062.46 : 165,696.90 = 66,347.04 : x
  2. Step 2: Convert to fraction form
    120,062.46/165,696.90 = 66,347.04/x
  3. Step 3: Cross multiply
    120,062.46x = 165,696.90 × 66,347.04
  4. Step 4: Simplify right side
    120,062.46x = 10,993,498,852.18
  5. Step 5: Solve for x
    x = 10,993,498,852.18/120,062.46
  6. Step 6: Final answer
    x = 91,564.83

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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.