Home / 120,095.08-165,690.66-69,752.68

Finding the Fourth Proportional to 120,095.08, 165,690.66 and 69,752.68

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Solution

The fourth proportional to 120,095.08, 165,690.66 and 69,752.68 is: 96,235.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,095.08 : 165,690.66 = 69,752.68 : x
  2. Step 2: Convert to fraction form
    120,095.08/165,690.66 = 69,752.68/x
  3. Step 3: Cross multiply
    120,095.08x = 165,690.66 × 69,752.68
  4. Step 4: Simplify right side
    120,095.08x = 11,557,367,585.97
  5. Step 5: Solve for x
    x = 11,557,367,585.97/120,095.08
  6. Step 6: Final answer
    x = 96,235.15

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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.