Home / 120,063.36-165,693.81-69,083.83

Finding the Fourth Proportional to 120,063.36, 165,693.81 and 69,083.83

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Solution

The fourth proportional to 120,063.36, 165,693.81 and 69,083.83 is: 95,339.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,063.36 : 165,693.81 = 69,083.83 : x
  2. Step 2: Convert to fraction form
    120,063.36/165,693.81 = 69,083.83/x
  3. Step 3: Cross multiply
    120,063.36x = 165,693.81 × 69,083.83
  4. Step 4: Simplify right side
    120,063.36x = 11,446,763,002.09
  5. Step 5: Solve for x
    x = 11,446,763,002.09/120,063.36
  6. Step 6: Final answer
    x = 95,339.35

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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.